add MUMPS easyconfigs + new METIS/ParMETIS versions as deps
add easyconfigs for OpenFOAM-1.6-ext and dependencies
add more easyconfigs for METIS
fix ParMGridGen description
stop setting premakeopts in easyconfig, is done in easyblock now
Merge branch 'develop' into openfoam_mumps
Merge branch 'develop' into openfoam_mumps
Merge branch 'develop' into openfoam_mumps
fix typo in Cufflinks easyconfigs
add Cufflinks 2.1.1 ictce/5.5.0 easyconfig + required patch (curtosy @JensTimmerman)
add ictce/5.5.0 easyconfigs for Bowtie2, TopHat, GMap, HTSeq + dependencies
init ispc & mcpp

Signed-off-by: Fotis Georgatos <fotis.georgatos@uni.lu>
CMake: updated to 2.8.12 with GCC 4.8.2
Clang: first attempt to easyconfig for 3.4
Clang: disable optarch, this cause the build to fail
Clang: reorganized patches for clang-3.4
Clang: reorganize the patches correctly
ClangGCC: updated toolchain to clang-3.4
Added CLooG for Clang
Renamed CLooG to include toolchain