Merge pull request #271 from boegel/master

release EasyBuild v1.8.0
Merge branch 'develop' of https://github.com/hpcugent/easybuild-easyblocks into develop
mpich2 is now a valid mpi version.
break up long line, sort known MPI libs alphabetically
Merge pull request #1 from boegel/adding_gmpolf

break up long line, sort known MPI libs alphabetically
Merge pull request #274 from Bart-CER/adding_gmpolf

add support for building ScaLAPACK with MPICH2, so the gmpolf can be constructed