updates color values and image anchor for Corona Graphics 2.0 compatablility.
Fixed bug in lua AnimationStateData.
Hull length is no longer nonessential.
Rename AnimationState context to rendererObject to match all other void*.
Fixed memory leak when track is cleared while mixing from a previous animation.
Better AnimationState listeners, including on a TrackEntry.
Make AnimationState TrackEntry create/dispose functions optional.

closes #218
spine-c Eclipse project builds lib instead of exe, spine-sfml uses static libs.
Use static SFML libs.
No console window for SFML.
FIXED: spine-csharp.csproj - Added missing files to project.
Merge pull request #219 from coeing/fix-project-file

FIXED: spine-csharp.csproj - Added missing files to project.
FIXED: spine-unity - Reverted meta file of SkeletonAnimation.cs to avoid loosing references in prefabs.
Merge pull request #220 from coeing/fix-SkeletonAnimation-meta

FIXED: spine-unity - Reverted meta file of SkeletonAnimation.cs to avoid...
Updated GUID.
Better reloading.
setPosition method.
Handle file being deleted.
Minor refactoring.
Meshes, FFD and skinning for cocos2d-x.