PA Review: Group DM's

[zamandalee]

• [x] Backend: DB, model, controller, views
  • [x] create multiple permissions for one channel
  • [x] set title to formatted list of users involved
• [x] Redux Loop: ajax, actions, reducer
  • [x] direct messages only shown in sidebar if current user has permission for it
• [x] Presentational Components
  • [x] sidebar populated with direct messages below channels
• [x] Styling
  • [x] Overflow text is hidden and replaced with "..."
  • [x] box with number of users participating (not including currentUser) and direct message name in sidebar
  • [x] only messages from that direct message are shown when direct message is clicked in sidebar
• [x] Smooth, bug free navigation
• [x] Adequate and appropriate seeds