Add functional tests to ConcertoConfigController.  Close #632.
Properly check the pending submission count per #639.
Only allow users to add themselves to groups per #639.
Katie cannot add Kristen, only Kristen can add Kristen.
fix intialization error when entry is nil
conditionally handle new column, resync based on list
Merge pull request #648 from concerto/config_columns

Config columns
titleize plugin names
fix #636 make ui consistent with rest of app
fix #652 strong params for recv mod notices
Merge pull request #653 from concerto/fix_user_strong_parms

fix #652 strong params for recv mod notices
handle ssl verification exception
order smtp items and add skip ssl verification item
conditionally set authentication and disable ssl verification
mailer translations
Merge pull request #654 from concerto/mailer_fix

order mailer config items, disable ssl verification
only save changed values
some changes require restart to see, like smtp
#646 fix link urls, dont display rejection msg if blank
add tooltip helpers