Feature #4010: Add retina display functions
Feature #4010: Make isRetinaEnabled check more realistic
Merge branches 'master' and 'master' of https://github.com/cocos2d/cocos2d-js
Update Cocos2d-html5
Merge branch 'master' of https://github.com/cocos2d/cocos2d-js
Merge pull request #99 from pandamicro/master

Feature #4010: Add retina display functions