Updated Eigen to 3.1.4 with ictce-5.5.0
Updated CMake to 2.8.12 with ictce-5.5.0
Updated libint2 to build with ictce 5.5.0
Added OpenBabel 2.3.2 with ictce 5.5.0
OpenBabel: ajust easyconfig after feedback

Added some comments to the patches and fix hardcoded version in the
easyconfig.
libint2: fix hardcoded Easyblock in easyconfig.
OpenBabel: specify toolchain in filename
libxml2: updated to goalf-1.5.12-no-OFED
CMake: updated to goalf-1.5.12-no-OFED
Added Eigen for goalf-1.5.12-no-OFED
Added OpenBabel for goalf-1.5.12-no-OFED
OpenBabel: use seperate build directory option
Eigen: use namelower in source_urls
OpenBabel: clean up goalf easyconfig
OpenBabel: move separate_build_dir to the easyblock
Eigen: small cosmetic change
Merge branch 'develop' into openbabel
fix source_urls for Eigen, apply style fix consistently
remove sanity check path from OpenBabel easyconfigs
Merge pull request #524 from boegel/openbabel

add easyconfigs for Openbabel + deps