fix unit tests broken due to shellshock patch
fix case where testing is not enabled in modulestool.py tests
fix long line
fix broken test that verifies mismatch on 'module' function
add definition of gimpi toolchain
move gimpi toolchain definition to correct location
fix blatently wrong code in path_to_top_of_module_tree function
enhance unit test to catch missed bug
fix $MODULEPATH extensions for Clang/CUDA, include versionsuffix in module subdir
fix tiny remark
fix broken test
fix remark