Merge pull request #10 from vladubogdan/develop

Static libraries + bug fixes
Update template version + remove unrelated files
All nodes can now be subclassed + demo
Fixed animations issues

Fixed animation playing one extra repetition
Fixed children opacity.
Parallax positioning bug fix + iOS 8 bug fixes
Added scene fileName getter.
Fix a physics issue + improved collision handling
Fix a crash on device when changing a scene
Bug fixes + iPhone 6 & 6+ support