added arb easyblock
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.
bump version to v1.8.1, update release notes
Merge pull request #276 from boegel/v1.8.1

bump version to v1.8.1, update release notes
Merge branch 'v1.8.x' into develop

Conflicts:
	easybuild/easyblocks/__init__.py
Merge pull request #277 from hpcugent/v1.8.x

release EasyBuild v1.8.1
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
add easyblock for installing Allinea tools (requires X forwarding to be enabled)
allow installing EasyBuild with a loaded EasyBuild module
add missing import
cleanse copy of original environment to avoid that loaded EasyBuild module is restored after purge before loading fake module
also unset module env vars in current environment, more debug info
only restore copy of original environment after module file was created
pass through make_module_step function arguments
only restore copy of environment when creating non-fake module
fix passing through make_module_step function arguments and fake check
use fake function argument explicitely, because it's not always specified named