Merge pull request #108 from langner/tests

Improvement to tests
Regressions: add unconverged gopt for Gaussian09 and test optdone (see #103 for details)
Regressions: add unconverged gopt for ADF2013.01 and test optdone (see #103 for details)
Regressions: add unconverged gopt for GAMESS-US2012 (see #103 for details)
Jaguar: make sure optdone is set for geoopt runs (no regressions for this yet, though)
Unittests: spruce up visual tests and add NWChem, ORCA and Psi to it