1. Shortened fade in/out animations
2. Added transition to drawer actions
3. Fixed performance of drawer animation
Merge branch 'develop' into jing-develop

* develop:
  Pretty up the notification alert
  Add Crouton to app and show a Crouton when a new chat message arrives.
  Hack the "recommend" event routine to send the first message
  Add progress indicator to RSVP button on event detail.
Merge pull request #135 from thehelpsf/jing-develop

Smoother transitions when navigating in menu & profile #121