fix issues with running NWChem test cases
fail early if an incorrect symlink is present, wrap relevant code blocks in try-except
fix long line
fix typo
fix typo in correct way
fix remarks
don't cleanup ~/.nwchemrc symlink since it may cause problems for various NWChem builds running in parallel
set postmsg w.r.t. cleaning up ~/.nwchemrc
fix typo
Merge pull request #275 from boegel/fix_nwchem

fix issues with running NWChem test cases, fail early in case broken symlink is present