Issue #5704: Recovery test code
Fixed #5757: fixed a bug of cc.Scale9Sprite after migrated
Merge branch 'develop' of git://github.com/cocos2d/cocos2d-html5 into Iss5757_Scale9Sprite
Merge pull request #2019 from pandamicro/develop

Issue #4580: Fix image format constant inconsistence
Merge branch 'develop' of git://github.com/cocos2d/cocos2d-html5 into Iss5757_Scale9Sprite
Merge pull request #2020 from dingpinglv/Iss5757_Scale9Sprite

Fixed #5757: fixed a bug of cc.Scale9Sprite after migrated
Issue #2010: Repair the scaling failure and some parameters may be failure problem
Merge pull request #2021 from VisualSJ/Iss5704_CCUIPreformance

Issue #2010: Repair the scaling failure and some parameters may be failure problem
Fixed #2022: Newline character not properly applied in labels
Merge pull request #2025 from VisualSJ/develop-LabelTTF

Fixed #2022: Newline character not properly applied in labels
Issue #5771: popScene can't see ccs
Merge pull request #2032 from VisualSJ/develop-scene

Issue #5771: popScene can't see ccs
Fixed #4735: Made cc.RenderTexture's beginWithClear accept color value from 0 - 255
Merge branch 'develop' of git://github.com/cocos2d/cocos2d-html5 into develop