Merge pull request #64 from osu-mist/feature/EV-51-criterion-edit-success-msg

Added a success message when editing criteria
Merge pull request #63 from osu-mist/feature/EV-524-wording-issues

Changed the wording, and removed the unused pkgs from mailer classes
Added sql statement to remove columns

EV-5
Removed remnants of specified columns from the hbm mapping

EV-5
Removed appropriate appraisal class member variables and related functions

EV-5
Merge remote-tracking branch 'github/feature/EV-5-remove-goals-columns-from-appraisals' into liferay6