Fixed #2295 Modify RenderTextureTest for latest version of RenderTexture
Merge branch 'master' of https://github.com/cocos2d/cocos2d-js-tests into Iss2295_Migrate3DEffects
Merge pull request #187 from dingpinglv/Iss2295_Migrate3DEffects

fixed #2295 RenderTextureTest  has been Modified for latest version of RenderTexture