CONF: move OpenFOAM etc/apps -> etc/config

- use standard *.sh, *.csh endings

etc/config/example/compiler.csh

@@ -0,0 +1,51 @@
+#----------------------------------*-sh-*--------------------------------------
+# =========                 |
+# \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
+#  \\    /   O peration     |
+#   \\  /    A nd           | Copyright (C) 2011-2011 OpenCFD Ltd.
+#    \\/     M anipulation  |
+#------------------------------------------------------------------------------
+# License
+#     This file is part of OpenFOAM.
+#
+#     OpenFOAM 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, either version 3 of the License, or
+#     (at your option) any later version.
+#
+#     OpenFOAM 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 GNU General Public License
+#     for more details.
+#
+#     You should have received a copy of the GNU General Public License
+#     along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
+#
+# File
+#     config/example/compiler.csh
+#
+# Description
+#     Example of fine tuning ThirdParty compiler settings for OpenFOAM
+#     Sourced from OpenFOAM-<VERSION>/etc/settings.csh
+#
+#------------------------------------------------------------------------------
+
+# Modified compiler settings
+switch ("$WM_COMPILER")
+case Gcc46:
+case Gcc46++0x:
+    set gcc_version=gcc-4.6.0
+    set gmp_version=gmp-5.0.1
+    set mpfr_version=mpfr-2.4.2
+    set mpc_version=mpc-0.8.1
+    breaksw
+case Gcc45:
+case Gcc45++0x:
+    set gcc_version=gcc-4.5.2
+    set gmp_version=gmp-5.0.1
+    set mpfr_version=mpfr-2.4.2
+    set mpc_version=mpc-0.8.1
+    breaksw
+endsw
+
+# ----------------------------------------------------------------- end-of-file