Regressions: print warning when files on disk are missing from the list (instead of issuing error)
Regressions: fixed paths to old unit tests for GAMESS
Regressions: define more old unit tests, and do it in regressions, not in unit tests (since they run with regressions)
Regressions: exceptions for ADF
Regressions: add some exceptions to old unit tests, and remove redundant ones
Regressions: print list of orphaned tests at end of regressions
Merge pull request #3 from langner/fix_regression

Changes related to old unit tests