issue #5849 : Return listener's reference for cc.eventManager.addListener()
Merge pull request #2352 from dingpinglv/Iss5968_RefactorCanvasRenderer

Fixed a bug of cc.view that it throws an error when html page doesn't ad...
Merge pull request #2350 from joshuastray/new_renderer

issue #5849 : Return listener's reference for cc.eventManager.addListener
Merge pull request #2353 from dingpinglv/Iss5968_RefactorCanvasRenderer

add cocostudio file in build.xml
Update UITextBMFont.js
Merge pull request #2354 from sincntx/develop

ccui.TextBMFont ’s wrong property setting
Issue #5968: refactor canvas renderer for performance.
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-html5 into Iss5968_RefactorCanvasRenderer
Merge branch 'Renderer' of https://github.com/cocos2d/cocos2d-html5 into Iss5968_RefactorCanvasRenderer