and other best pracitces like:
capacity and "index" are ints and not unsigned int (google's recomendation).
It is easier to detect underflow bugs like this
plus other minor improvements
- class order fixes
- static methods (creators) at the beginning
- then constructors / destructors
- then init
- more `const` fixes
- adds some const getters
- some getters have 2 versions: `const` and no-const version
- renamed CocosDenshion::sharedEngine -> getInstance()
- nodeToParentTransform -> getNodeToParentTransform() (the same for its friends)
- Deprecates the old methods
- adds 'consts' to those methods
- boundingBox() -> getBoundingBox()
- the new one is const
- Deprecates the old method.
- Adds overrides keywords in CCNodeRGBA and CCArmature
- AffineMatrix are mutables