Fix skin attach all crash while the default skin is null
Updated to Starling 1.4. Fixed Starling atlas loading. Minor optimizations.
Use 3 arg Enum.Parse.
spine-as3 keyable draw order, events, and new AnimationState.
Fixed clearing tracks in event callbacks.
Fixed file loading for XNA on Windows Phone 7.
Merge pull request #135 from Liquidoodle/master

Fixed file loading for XNA on Windows Phone 7.
Merge branch 'master' of https://github.com/EsotericSoftware/spine-runtimes
Fixed add/setAnimation in event callback.

closes #137
Merge branch 'origin/master'
Comments.
Add member holding attachment for slot
Merge branch 'master' of https://github.com/EsotericSoftware/spine-runtimes