bump version to v1.12.1.0dev
add easyconfigs for older GCC versions
bump version to v1.12.1.0, update release notes
Merge pull request #841 from boegel/v1.12.x

bump version to v1.12.1.0, update release notes
Merge pull request #842 from hpcugent/v1.12.x

EasyBuild v1.12.1
Merge branch 'master' into develop

Conflicts:
	setup.py
bring-in Lmod/5.5 related bits

Signed-off-by: Fotis Georgatos <fotis.georgatos@uni.lu>
add configure options for GMP/MPFR
add easyconfig for GCC v4.1.2
Merge pull request #850 from fgeorgatos/contrib_Lmod-5.5

Contrib Lmod/5.5 & related bits
Merge pull request #838 from boegel/old_gcc

add easyconfigs for older GCC versions
add easyconfig file for Lmod 5.5.1
Merge pull request #859 from boegel/lmod

add easyconfig file for Lmod 5.5.1