Added improvements announcement to front page
Merge branch 'master' of github.com:JohnColvin/MovieTriggers

* 'master' of github.com:JohnColvin/MovieTriggers:
  Made FlagsController work for Comment and TriggerWarning
  Makes Flag polymorphic so comments can be flagged, too
  Fixes a bunch of issues related to moving comments and votes
  Adds votes model and moves pertitent trigger warnings to that table
  Move comments from TriggerWarning column to Comment table