Merge pull request #212 from dingpinglv/Iss2803_V2.1.6Release

Issue #2803: fixed RenderTextureTest's memory leaking
fixed #2806: Advanced compiler for Cocos2d-Html5 releasing
Merge branch 'master' of https://github.com/cocos2d/cocos2d-js-tests into master_2.1.6test
Merge pull request #213 from xingsenma/master_#2805

fixed #2806: Correct the errors of Tests for Cocos2d-Html5 releasing
fixed #2806:  Change sys["capabilities"] to sys.capabilities.
Merge pull request #214 from xingsenma/master

fixed #2806: Change sys["capabilities"] to sys.capabilities.
Issue #2803: cc.Sprite's setFlipX, setFlipY have renamed to setFlippedX, setFlippedY