Conflicts:
	easybuild/easybuild_config.py

better gcc support for mac

Conflicts:
	easybuild/easyblocks/g/gcc.py

Releasing v0.8

config.guess is a script which is also run by gcc during configuring.
On a mac uname does not provide the correct build target

Merge branch '1226_MrBayes' of ssh://gengar.ugent.be/user/home/gent/vsc400/vsc40003/easybuild_git_branches/ageorges into 1226_MrBayes