Merge branch 'mplegendre-multi_pkgsrc_roots' into develop

- This moves var/spack/packages to var/spack/repos/builtin/packages.

- Packages that did not exist in the source branch, or were changed in
  develop, were moved into var/spack/repos/builtin/packages as part of
  the integration.

Conflicts:
	lib/spack/spack/test/unit_install.py
	var/spack/repos/builtin/packages/clang/package.py

var/spack/repos/builtin/packages/cmake/package.py

@@ -0,0 +1,50 @@
+##############################################################################
+# 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://github.com/llnl/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
+##############################################################################
+from spack import *
+
+class Cmake(Package):
+    """A cross-platform, open-source build system. CMake is a family of
+       tools designed to build, test and package software."""
+    homepage  = 'https://www.cmake.org'
+
+    version('2.8.10.2', '097278785da7182ec0aea8769d06860c',
+            url = 'http://www.cmake.org/files/v2.8/cmake-2.8.10.2.tar.gz')
+
+    version('3.0.2', 'db4c687a31444a929d2fdc36c4dfb95f',
+            url = 'http://www.cmake.org/files/v3.0/cmake-3.0.2.tar.gz')
+
+    version('3.4.0', 'cd3034e0a44256a0917e254167217fc8',
+            url = 'http://cmake.org/files/v3.4/cmake-3.4.0.tar.gz')
+
+    variant('ncurses', default=True, description='Enables the build of the ncurses gui')
+
+    depends_on('ncurses', when='+ncurses')
+
+    def install(self, spec, prefix):
+        configure('--prefix='   + prefix,
+                  '--parallel=' + str(make_jobs),
+                  '--', '-DCMAKE_USE_OPENSSL=ON')
+        make()
+        make('install')