Merge pull request #1456 from dingpinglv/DevelopToMaster

tag Cocos2d-html5 v2.2.2
Merge pull request #1462 from dingpinglv/DevelopToMaster

tag Cocos2d-html5 v2.2.2
fixed typo
Merge pull request #1538 from asalga/master

fixed typo
Fixed a typo in an error log
Merge pull request #1737 from ZippoLag/patch-1

Fixed a typo in an error log
fixed a bug of loader
Merge pull request #1741 from ShengxiangChen/loaderbug

fixed a bug of loader
Issue #4768: fixed a bug of cc.TextFiledTTF
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-html5 into Iss4768_ReleaseV223
Issue #4768: add an assert to cc.Sprite for debug friendly
Merge pull request #1764 from dingpinglv/Iss4768_ReleaseV223

Issue 4768: add an assert to cc.Sprite for debug friendly
Issue #4768: update the version number
Merge pull request #1766 from dingpinglv/Iss4768_ReleaseV223

Issue #4768: update the version number
Issue #4768: update the CHANGELOG.txt
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-html5 into Iss4768_ReleaseV223
Merge pull request #1769 from dingpinglv/Iss4768_ReleaseV223

Issue #4768: update the CHANGELOG.txt
Issue #4768: update the AUTHORS.txt
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-html5 into Iss4768_ReleaseV223
Merge pull request #1770 from dingpinglv/Iss4768_ReleaseV223

Issue #4768: update the AUTHORS.txt