Merge pull request #1783 from dingpinglv/Iss4866_Scale9Sprite2x

Fixed #4866: Fixed a bug of cc.Scale9Sprite that its CascadeColor and CascadeOpacity are invalid.
Improve change log of v2.2.3
Merge pull request #1797 from pandamicro/v2.x

Improve change log of v2.2.3
Issue #4926: fixed a bugs of TextureCache that it can't remove the event handler of image
Merge branch 'v2.x' of https://github.com/cocos2d/cocos2d-html5 into Iss4926_Particle
Merge pull request #1800 from dingpinglv/Iss4926_Particle

Issue #4926: fixed a bugs of TextureCache that it can't remove the event handler of image
Closed #4930: Fixed a bug of ccs.UILayer that it can't set _swallowTouche value
Merge branch 'v2.x' of https://github.com/cocos2d/cocos2d-html5 into Iss4930_UILayer
Merge pull request #1802 from dingpinglv/Iss4930_UILayer

Closed #4930: Fixed a bug of ccs.UILayer that it can't set _swallowTouche value
Fix chipmunk typo issue
Merge branch 'v2.x' of git://github.com/cocos2d/cocos2d-html5 into v2.x
spine for cocos2d-html5
spine for cocos2d-html5
Merge pull request #1811 from ShengxiangChen/issue9999_spine_cocos2d_html5

spine for cocos2d-html5
Merge pull request #1809 from pandamicro/v2.x

Fix chipmunk typo issue
Issue #4980: Fixed a bug of ccs.UILoadingBar that its barRendererScaleChangedWithSize is incorrect.
Merge pull request #1812 from dingpinglv/Iss4980_UILoaderBar_v2.x

Issue #4980: Fixed a bug of ccs.UILoadingBar that its barRendererScaleChangedWithSize is incorrect.
Issue #4993: cocoshtml5 2.2.3 createSegment drawSegment a bug
Merge pull request #1818 from VisualSJ/v2.3-createSegment

Issue #4993: cocoshtml5 2.2.3 createSegment drawSegment a bug
Issue #4975: integrate spine into -html5 v2.2.3