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
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