Refactoring.

API clean up, better JSON parsing, better atlas, easier to extend.
Readers, not streams.
Fixed crash with no newline at start of atlas.
Update spine-cocos2dx.cpp

Fixed crash at bounding box function.
Merge pull request #30 from flaming0/patch-1

Update spine-cocos2dx.cpp
AnimationState for spine-csharp.
Unity runtime.
Merge remote-tracking branch 'origin/master'
Reorganized Unity project.
Clear method for animation state.
Merge branch 'master' of git://github.com/EsotericSoftware/spine-runtimes into localupdates