fixed #2530 LabelTTF's Stroke style has been modified to outer stroke
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-html5 into Iss2530_ModifyLabelTTFStrokeStyle
Merge pull request #1077 from dingpinglv/Iss2530_ModifyLabelTTFStrokeStyle

fixed #2530 LabelTTF's Stroke style has been modified to outer stroke
fixed #2481 add a clearRect function to cc.RenderTexture
Merge pull request #1078 from dingpinglv/Iss2481_RewriteRenderTexture

fixed #2481 add a clearRect function to cc.RenderTexture
fixed #2481 add a clearRect function to cc.RenderTexture
Merge pull request #1079 from dingpinglv/Iss2481_RewriteRenderTexture

fixed #2481 add a clearRect function to cc.RenderTexture
Revert "use native sort function when sort children"

This reverts commit 46f3a133b74f25239306e7966019ecc009d8c68b.
Merge branch 'develop' of github.com:cocos2d/cocos2d-html5 into develop
fix setScale bug