New colm, ragel packages (#7867)

- Ragel is a parser and finite state machine generator that can be
  used as an alternative means for solving parsing problems without
  Flex.

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

@@ -0,0 +1,38 @@
+##############################################################################
+# Copyright (c) 2018, Lawrence Livermore National Security, LLC.
+# Produced at the Lawrence Livermore National Laboratory.
+#
+# This file is part of Spack.
+# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
+# LLNL-CODE-647188
+#
+# For details, see https://github.com/spack/spack
+# Please also see the NOTICE and LICENSE files 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 Lesser General Public License (as
+# published by the Free Software Foundation) version 2.1, 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 Lesser 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 Colm(AutotoolsPackage):
+    """Colm Programming Language
+    Colm is a programming language designed for the analysis and
+    transformation of computer languages. Colm is influenced primarily
+    by TXL. It is in the family of program transformation languages.
+    """
+
+    homepage = "http://www.colm.net/open-source/colm"
+    url      = "http://www.colm.net/files/colm/colm-0.12.0.tar.gz"
+
+    version('0.12.0', '079a1ed44f71d48a349d954096c8e411')