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General
* Merged in the Away3D compatibility layer for Stage3D
* Added support for creating new empty SoundChannel instances
* Added support for bitmapData.merge()
* Improved compatibility with Haxe dead-code elimination
HTML5, Native (next)
* Improved the correctness of getPixels/setPixels
* Improved text align for HTML5 canvas TextField
* Fixed a minor issue in the Flash/HTML5 preloader
Native (v2)
* Added Event.COMPLETE/IOErrorEvent.IO_ERROR events to Sound
* Fixed large bitmapData.getPixel32() values on Neko
* Fixed the color order for getRGBAPixels
* Improved the load order for native fonts