added styling, made only recent posts show up on popular
added flagging to posts
added admin category, issues, and flagged posts page
added icons, updated flagged page, added messages page
added icons for control panel, styling
merged master with branch, added admin pages

* carrierwave-direct:
  added icons for control panel, styling
  added icons, updated flagged page, added messages page
  added admin category, issues, and flagged posts page
  added flagging to posts
  added styling, made only recent posts show up on popular