update .gitignore
Merge branch 'master' of https://github.com/Giemsa/oreore
available for cocos2dx 3.0 beta
不具合修正。RenderTexture+MenuItemSpriteに問題あり
Merge branch 'cocos2dx-3.0beta' of https://github.com/Giemsa/oreore into cocos2dx-3.0beta