issue #4174 add richText
issue #4174 Refactor flipped
issue #4174 Refactor setBackGroundImageColor for Layout
issue #4174 add getCustomSize method for widget
issue #4174 Set default enabled touch for widget
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-html5 into develop
Merge pull request #1650 from xingsenma/develop

issue #4174 add richText