Support rotation for TransitionFun

- The container's frame doesn't report the right size, but the bounds
  do... This seems to be a more general problem in iOS 7:
  http://whoisryannystrom.com/2013/10/01/View-Controller-Transition-Orientation/
- Update the gestureView's frame on bounds change.
Select default transition by selecting it
Switch to Cocoapods for the Example workspace

- Makes it easier to do development on ECSlidingViewController
- Checked in the Pods/ directory. This is so that users can the run
  examples without installing Cocoapods.
Remove Pod schemes from list
TransitionFun guide
It's your world, Xcode. Do what you want.
License everything