closed #4382: added missed scaleZ feature for scaleZ
Merge pull request #5870 from dabingnn/fix_scale0Bug

closed #4382: added missed scaleZ feature in ScaleTo and ScaleBy.
Update CHANGELOG [ci skip]
[AUTO]: updating luabinding automatically
Merge pull request #5873 from CocosRobot/update_lua_bindings_1395225104

[AUTO]: updating luabinding automatically
Merge pull request #1 from cocos2d/develop

Merge cocos2d:develop