fixed #1724: Renamed libhellojavascript to libcocos2djs.
Merge branch 'master' of https://github.com/cocos2d/cocos2d-x into iss1724-hellojs
Merge pull request #1994 from dumganhar/iss1724-hellojs

fixed #1724: Renamed libhellojavascript to libcocos2djs.