Merge branch 'v1.3.x'
Merge pull request #2 from boegel/clang-toolchains

add test module for GCC/4.7.2 + sync with develop
Merge branch 'clang-toolchains' of github.com:gribozavr/easybuild-framework into clang-toolchains
minor info print enhancements for --dep-graph
fix load test modules unit test