A custom segue for UIStoryboard (iOS 5+) that provides an opening door transition.
For more information, see https://github.com/jsmecham/DoorwaySegue.
CIDoorwaySegue.m to your project. Then
create a "Custom" segue in the Storyboard editor and set the Segue Class to
Doorway Segue is based on Doorway Transition (MFDoorwayTransition) by Ken Matsui.
Doorway Segue is available under the MIT license. See the LICENSE file for more information.