Fixed BoneComponent Z-positioning.
New checkboxes to customize its behavior.
SkeletonRenderer property to safely reattach to a different SkeletonRenderer.
Missig function.
Fixes.
spine-csharp should not be committed under spine-tk2d!
Fixed path lookup.

closes #229
Don't clear VAO on each PolygonBatch flush.
Missing text file.
Fixed pooling polygon FloatArrays.
Updated to 3.1 final.
Fixed switch warning.
Merge pull request #227 from pharan/bonecomponent

Fixed BoneComponent Z-positioning.
Reload button and default mix time.
Triangles int -> uint.
Meshes, FFD and skinning for spine-starling.
Fixed mixing from uninitialized slot vertices.

http://esotericsoftware.com/forum/viewtopic.php?f=9&t=2775
Fixed examples resizing.
Changed cocos2d-based runtimes to not apply contentScale.

http://esotericsoftware.com/forum/viewtopic.php?f=7&t=2771
Scale UVs since Starling mangles textures to POT size.
Fixed array expansion.
Debug mark for skeleton position.