Changed listeners to Vector.<Function>.
Added SkeletonAttachment.

Spine doesn't export this attachment type, but it can be used at runtime.
MeshAttachment support.
Removed meta file.
Ignore Unity meta file.
Removed LookLikeInspector.
Changed Vector<Function> to Listeners class.
Changed Vector<Function> to Listeners class.
Fixed draw order.
Expose BasicEffect.
Avoid reflection.
Minor optimizations, clean up.
Make vertices static.
Moved SMFL location into project.
Mix from closest animation if setting an animation during a mix.
Merge branch 'master' of https://github.com/EsotericSoftware/spine-runtimes