Merge pull request #1157 from dingpinglv/Iss2844_RenameVersion

Closed #2844: Rename version 2.1.6 of Cocos2d-html5 to 2.2
fixed #2853: Fix a bug of cc.EditBox that setFontSize is invalid
fixed #2833: Correct a mistake for cc.Sprite
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-html5 into Iss2833_ReturnNewObjectForFunciton
Merge pull request #1165 from dingpinglv/Iss2833_ReturnNewObjectForFunciton

fixed #2833: Correct a mistake for cc.Sprite
fixed #2226: Clean up some unused codes in CCClass.js
Merge pull request #1166 from dingpinglv/Iss2226_ImproveCCClass

fixed #2226: Clean up some unused codes in CCClass.js
Merge pull request #1164 from xingsenma/FontSize

fixed #2853: Fix a bug of cc.EditBox that setFontSize is invalid
Closed #2867: Fixed a bug of jsloader that it doesn't work on some browser
Merge pull request #1167 from dingpinglv/Iss2867_FixJsloadersBug

Closed #2867: Fixed a bug of jsloader that it doesn't work on some browsers
issue #2828: CocoStudio HTML5 support.
Closed #2852: Re-write EGLView and multiple resource adapting to optimize performance for mobile browser
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-html5 into Iss2852_RefactorMultResources
Closed #2852: clean up some test codes in HelloHTML5World.
Fixed #1168: fix some typos in tools/readme for tools.txt
Merge pull request #1174 from dingpinglv/Iss1168_TyposInToolsTxt

Fixed #1168: fix some typos in tools/readme for tools.txt
Merge pull request #1173 from dingpinglv/Iss2852_RefactorMultResources

Closed #2852: Re-write EGLView and multiple resource adapting to optimize performance for mobile browser
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-html5 into Cocostudio
Closed #2852: fixed a bug of LabelTTF that its textureRect is wrong when setting ScaleFactor not equal 1.
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-html5 into Iss2852_RefactorMultResources