add support for staged installation of CPLEX
correct specification of 'staged_install' easyconfig parameter
correct use of 'staged_install' key
add missing shutil import
refactoring + style fixes OpenFOAM easyblock
add ported and enhanced easyblock for MUMPS
pick correct WM_MPLIB value for OpenFOAM-ext with goolf
merge two very similar if-elif-else blocks
get rid of senseless value for $WM_MPLIB in case of OpenMPI build
make sure dependencies are picked up by setting proper premakeopts
Revert "get rid of senseless value for $WM_MPLIB in case of OpenMPI build"

This reverts commit 8bd2fba6363171d2efe767264e48cd03c9027a9d.
add support for building/installing OpenFOAM-Extend
bump version to v1.12.1dev
modeller easyblock
add support for configure_cmd_prefix easyconfig parameter in ConfigureMake easyblock
Update GCC easyblock for gcc-4.9
added a runcmdcp easyblock
GCC: update for 4.9.0 and ISL/CLooG
correcting ansys.py
improve debug message, also mention configure_cmd_prefix used