Bump to 2.1.2

Fixed layout issues in iOS 9 after coming back from playing a video

Fixed retaining issues while waiting for video URL

Added better checking for when dismissing for good, and make sure we clear current video

We can now cancel video requests in MWPhoto

Updated pods

Fixed Xcode 7 warnings

Fixed issues waiting for a video URL to load from an asset

Updated project for Xcode 7.3

Bumped to 2.1.1

Overridden preferredStatusBarStyle

Fixed selection button position when controls are hidden.

Increased image size for PHAssets

Fixed scrolling/zoom issue with certain image sizes.

Bumped to 2.1.0