Merge pull request #2530 from VisualSJ/3.2

scale9sprite setColor error
Correct a mistake of cc.view that resetCache is null when render mode is WebGL
Merge pull request #2532 from dingpinglv/setTransform

Correct a mistake of cc.view that resetCache is null when render mode is WebGL
Merge branch 'develop' of git://github.com/cocos2d/cocos2d-html5 into 3.2
EGLView setDesignResolutionSize bug that cc._renderContext.setOffset is undefined