Removed stray f character.

closes #145
Added Camera, SkeletonBounds, comments.
Removed updateWorldTransform call which isn't needed since it is done in render.
Comment.
Made 0 scale use "content scale factor". Commented drawOrder animation.
Added call to update so it is called before the first draw.
Support for Atlas with spine-starling in addition to Starling's texture atlas.
Merge branch 'master' of https://github.com/EsotericSoftware/spine-runtimes
Remove old cocos2d content scale factor fix since the origin master has do the fix in cocos2dx-runtimes now.
Fix several memory leaks