* [MDCInkView] cancelAllAnimationsAnimated should support disabling animation
* [MDCProgressView] Allow completion block to be modified if setHidden:animated:completion is called sequentially
* Call completion block immediately rather than storing as a property.
* Add nil check for completion block
* [Shrine] Update to Swift 3
* [AppBar] Add Objective C AppBar storyboard example
* Add right button bar item to AppBar swift demo