UIPanGestureRecognizer instead of UIScreenEdgePanGestureRecognizer
deployment target
 ios8 warnings
PASPrivateAnimationController -> PASTransitionAnimator works better with the apple naming
separate UIViewControllerInteractiveTransitioning
memory management
Preparations for interactive transitions and better encapsulations
UIGestureRecognizerDelegate
interactive transition
formatting
replace doSomeCustomLayoutStuff
AWPercentDrivenInteractiveTransition
logs
logs
preparations for cancel
cancel transition (make sure the fromVc.view is on screen and visible after an animation completes)
logs