Issue #5704: CCUIPreformance
UILoadingBar
UIRichText
UISlider
UIText
UITextAtlas
UITextBMFont
UITextField
Issue #5704: Fix bugs
issue #5685: make SkeletonAnimation supporting operator new
Merge pull request #2002 from joshuastray/issue5685

issue #5685: make SkeletonAnimation supporting operator new
Issue #5704: sync ccui.ScrollView and ccui.ListView
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-html5 into Iss5704_CCUIPreformance
Merge branch 'develop-ui' of https://github.com/VisualSJ/cocos2d-html5 into Iss5704_CCUIPreformance