Remove trailing whitespace from license text

2014-01-12 18:19:18 +01:00 · 2014-01-12 18:19:18 +01:00 · d18be7437f
commit d18be7437f
parent 08a25adb2f
93 changed files with 465 additions and 469 deletions
--- a/lib/spack/docs/conf.py
+++ b/lib/spack/docs/conf.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/docs/exts/sphinxcontrib/init.py
+++ b/lib/spack/docs/exts/sphinxcontrib/init.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/docs/exts/sphinxcontrib/programoutput.py
+++ b/lib/spack/docs/exts/sphinxcontrib/programoutput.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/init.py
+++ b/lib/spack/spack/init.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/architecture.py
+++ b/lib/spack/spack/architecture.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/cmd/init.py
+++ b/lib/spack/spack/cmd/init.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/cmd/arch.py
+++ b/lib/spack/spack/cmd/arch.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/cmd/bootstrap.py
+++ b/lib/spack/spack/cmd/bootstrap.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/cmd/checksum.py
+++ b/lib/spack/spack/cmd/checksum.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/cmd/clean.py
+++ b/lib/spack/spack/cmd/clean.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/cmd/compilers.py
+++ b/lib/spack/spack/cmd/compilers.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/cmd/create.py
+++ b/lib/spack/spack/cmd/create.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/cmd/doc.py
+++ b/lib/spack/spack/cmd/doc.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/cmd/edit.py
+++ b/lib/spack/spack/cmd/edit.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/cmd/fetch.py
+++ b/lib/spack/spack/cmd/fetch.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/cmd/find.py
+++ b/lib/spack/spack/cmd/find.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/cmd/graph.py
+++ b/lib/spack/spack/cmd/graph.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/cmd/help.py
+++ b/lib/spack/spack/cmd/help.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/cmd/info.py
+++ b/lib/spack/spack/cmd/info.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/cmd/install.py
+++ b/lib/spack/spack/cmd/install.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/cmd/list.py
+++ b/lib/spack/spack/cmd/list.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
@ -34,4 +34,3 @@ def setup_parser(subparser):
 def list(parser, args):
    # Print all the package names in columns
    colify(packages.all_package_names())
-
--- a/lib/spack/spack/cmd/providers.py
+++ b/lib/spack/spack/cmd/providers.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/cmd/purge.py
+++ b/lib/spack/spack/cmd/purge.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/cmd/python.py
+++ b/lib/spack/spack/cmd/python.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/cmd/spec.py
+++ b/lib/spack/spack/cmd/spec.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/cmd/stage.py
+++ b/lib/spack/spack/cmd/stage.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/cmd/test.py
+++ b/lib/spack/spack/cmd/test.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/cmd/uninstall.py
+++ b/lib/spack/spack/cmd/uninstall.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/cmd/versions.py
+++ b/lib/spack/spack/cmd/versions.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/colify.py
+++ b/lib/spack/spack/colify.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/color.py
+++ b/lib/spack/spack/color.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/compilation.py
+++ b/lib/spack/spack/compilation.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/compilers/init.py
+++ b/lib/spack/spack/compilers/init.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/compilers/gcc.py
+++ b/lib/spack/spack/compilers/gcc.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/compilers/intel.py
+++ b/lib/spack/spack/compilers/intel.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/concretize.py
+++ b/lib/spack/spack/concretize.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/directory_layout.py
+++ b/lib/spack/spack/directory_layout.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/error.py
+++ b/lib/spack/spack/error.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/globals.py
+++ b/lib/spack/spack/globals.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/multimethod.py
+++ b/lib/spack/spack/multimethod.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/package.py
+++ b/lib/spack/spack/package.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/packages/init.py
+++ b/lib/spack/spack/packages/init.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/packages/callpath.py
+++ b/lib/spack/spack/packages/callpath.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/packages/cmake.py
+++ b/lib/spack/spack/packages/cmake.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/packages/dyninst.py
+++ b/lib/spack/spack/packages/dyninst.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/packages/libdwarf.py
+++ b/lib/spack/spack/packages/libdwarf.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/packages/libelf.py
+++ b/lib/spack/spack/packages/libelf.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/packages/libunwind.py
+++ b/lib/spack/spack/packages/libunwind.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/packages/mpich.py
+++ b/lib/spack/spack/packages/mpich.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/packages/mpileaks.py
+++ b/lib/spack/spack/packages/mpileaks.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/parse.py
+++ b/lib/spack/spack/parse.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/relations.py
+++ b/lib/spack/spack/relations.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/spec.py
+++ b/lib/spack/spack/spec.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/stage.py
+++ b/lib/spack/spack/stage.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/test/init.py
+++ b/lib/spack/spack/test/init.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/test/concretize.py
+++ b/lib/spack/spack/test/concretize.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/test/mock_packages/init.py
+++ b/lib/spack/spack/test/mock_packages/init.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/test/mock_packages/callpath.py
+++ b/lib/spack/spack/test/mock_packages/callpath.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/test/mock_packages/direct_mpich.py
+++ b/lib/spack/spack/test/mock_packages/direct_mpich.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/test/mock_packages/dyninst.py
+++ b/lib/spack/spack/test/mock_packages/dyninst.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/test/mock_packages/fake.py
+++ b/lib/spack/spack/test/mock_packages/fake.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/test/mock_packages/indirect_mpich.py
+++ b/lib/spack/spack/test/mock_packages/indirect_mpich.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/test/mock_packages/libdwarf.py
+++ b/lib/spack/spack/test/mock_packages/libdwarf.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/test/mock_packages/libelf.py
+++ b/lib/spack/spack/test/mock_packages/libelf.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/test/mock_packages/mpich.py
+++ b/lib/spack/spack/test/mock_packages/mpich.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/test/mock_packages/mpich2.py
+++ b/lib/spack/spack/test/mock_packages/mpich2.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/test/mock_packages/mpileaks.py
+++ b/lib/spack/spack/test/mock_packages/mpileaks.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/test/mock_packages/multimethod.py
+++ b/lib/spack/spack/test/mock_packages/multimethod.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/test/mock_packages/zmpi.py
+++ b/lib/spack/spack/test/mock_packages/zmpi.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/test/mock_packages_test.py
+++ b/lib/spack/spack/test/mock_packages_test.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/test/multimethod.py
+++ b/lib/spack/spack/test/multimethod.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/test/spec_dag.py
+++ b/lib/spack/spack/test/spec_dag.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/test/spec_semantics.py
+++ b/lib/spack/spack/test/spec_semantics.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/test/spec_syntax.py
+++ b/lib/spack/spack/test/spec_syntax.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/test/stage.py
+++ b/lib/spack/spack/test/stage.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/test/url_parse.py
+++ b/lib/spack/spack/test/url_parse.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/test/versions.py
+++ b/lib/spack/spack/test/versions.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/tty.py
+++ b/lib/spack/spack/tty.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/url.py
+++ b/lib/spack/spack/url.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/util/init.py
+++ b/lib/spack/spack/util/init.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/util/compression.py
+++ b/lib/spack/spack/util/compression.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/util/crypto.py
+++ b/lib/spack/spack/util/crypto.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
@ -102,4 +102,3 @@ def check(self, filename):
        self.sum = checksum(
            self.hash_fun, filename, block_size=self.block_size)
        return self.sum == self.hexdigest
-
--- a/lib/spack/spack/util/environment.py
+++ b/lib/spack/spack/util/environment.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/util/executable.py
+++ b/lib/spack/spack/util/executable.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/util/filesystem.py
+++ b/lib/spack/spack/util/filesystem.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
@ -97,5 +97,3 @@ def stem(path):
 def can_access(file_name):
    """True if we have read/write access to the file."""
    return os.access(file_name, os.R_OK|os.W_OK)
-
-
--- a/lib/spack/spack/util/lang.py
+++ b/lib/spack/spack/util/lang.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/util/none_high.py
+++ b/lib/spack/spack/util/none_high.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/util/none_low.py
+++ b/lib/spack/spack/util/none_low.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/util/prefix.py
+++ b/lib/spack/spack/util/prefix.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/util/string.py
+++ b/lib/spack/spack/util/string.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/util/web.py
+++ b/lib/spack/spack/util/web.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/validate.py
+++ b/lib/spack/spack/validate.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--- a/lib/spack/spack/version.py
+++ b/lib/spack/spack/version.py
@ -1,23 +1,23 @@
 ##############################################################################
 # Copyright (c) 2013, Lawrence Livermore National Security, LLC.
 # Produced at the Lawrence Livermore National Laboratory.
-# 
+#
 # This file is part of Spack.
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
-# 
+#
 # For details, see https://scalability-llnl.github.io/spack
 # Please also see the LICENSE file for our notice and the LGPL.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License (as published by
 # the Free Software Foundation) version 2.1 dated February 1999.
-# 
+#
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
 # conditions of the GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA