Merge pull request #2082 from pandamicro/develop

[Doc] Add change logs and authors
Fixed #5803: Set the default value of ccui.Widget's _cascadeColorEnabled and _cascadeOpacityEnabled to false
Merge branch 'develop' of git://github.com/cocos2d/cocos2d-html5 into Iss5803_Widget
Merge pull request #2083 from dingpinglv/Iss5803_Widget

Fixed #5803: Set the default value of ccui.Widget's _cascadeColorEnabled and _cascadeOpacityEnabled to false
CCBoot.js prepare function (cc.error is not define)
Merge pull request #2084 from VisualSJ/develop-rc2

CCBoot.js prepare function (cc.error is not define)
Fixed #5803: UIBMFont supports async loading resource.
Merge branch 'develop' of git://github.com/cocos2d/cocos2d-html5 into Iss5803_Widget

Conflicts:
	CCBoot.js
Merge pull request #2086 from dingpinglv/Iss5803_Widget

Fixed #5803: UIBMFont supports async loading resource.
Issue #5803: Fixed a bug about Layout background
Merge pull request #2087 from VisualSJ/develop-rc2-finaly

Issue #5803: Fixed a bug about Layout background
Issue #5803: Fixed a bug about Layout background
Issue #5803: Update the color when loaded resources
Merge pull request #2089 from VisualSJ/develop-rc2-finaly

Issue #5803: Fixed a bug about Layout background
Issue #5803: Update the color when loaded resources
Merge pull request #2090 from VisualSJ/develop-rc2-finaly

Issue #5803: Update the color when loaded resources
Issue #5803: Update build.xml
Merge pull request #2092 from VisualSJ/develop-rc2-finaly

Update build.xml
Fixed #2091: correct a mistake of ccui.ScrollView.removeAllChildreWithCleanup
Merge branch 'develop' of git://github.com/cocos2d/cocos2d-html5 into develop