Added verisons.
Merge pull request #44 from aviktorov/master

Spine-tk2d runtime
Removed misplaced include.
Unity optimizations.
Fixed premultiplied images (the default).
- Added support for SpriteCollection using multi-platform.
- Properly update mesh data when switching platform in editor.
Merge pull request #45 from Dgizusse/master

tk2d Support for multiple platform SpriteCollections
- Clear the mesh before setting it up again to prevent an assert when showing/hiding a slot image.
- Recalculate normals only if required by the SpriteCollection.
SpineboyComponent renamed to Spineboy.
- Added Tangents generation if needed.
Merge branch 'master' of https://github.com/EsotericSoftware/spine-runtimes.git
Merge remote-tracking branch 'origin/master'
Added Skin_getAttachmentName to enumerate skin attachments for a slot. Thanks James Poag!
Merge pull request #46 from Dgizusse/master

Small fix and optimization when updating the mesh.
SpineboyComponent renamed to Spineboy.
Added Skin_getAttachmentName to enumerate skin attachments for a slot. Thanks James Poag!
- Fixed source textures being included in the build along the atlas. ***NOT BACKWARD COMPATIBLE***
Merge pull request #48 from Dgizusse/master

tk2d: Fixed source textures included in the build along the atlas.