- Adds `CC_REQUIRES_NULL_TERMINATION` to methods that require a NULL at the end
- Removes more Hungarian notations in samples
- s/sprite/scene: fix from previous commit
- `CCLog` -> `log`
- `getLayerNamed` -> `getLayer`
- `getPropertyNamed` -> `getProperty`
- and other small fixes
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