Merge pull request #65 from cocos2d/master

update js
modify rendmode
Merge pull request #66 from cocos2d/master

update js
Merge branch 'master' of https://github.com/cocoscodeide/cocos2d-js
Merge branch 'master' of https://github.com/cocos2d/cocos2d-js
add get platform
Merge pull request #67 from cocos2d/master

update js
Merge branch 'master' of https://github.com/cocoscodeide/cocos2d-js
Merge pull request #68 from chuanweizhang2013/master

fixed some bugs
fixed getplatform
Merge branch 'master' of https://github.com/cocos2d/cocos2d-js

Conflicts:
	frameworks/js-bindings/bindings/manual/ScriptingCore.h
Merge pull request #69 from chuanweizhang2013/master

update js
modify version.json
Merge pull request #70 from chuanweizhang2013/master

modify version.json
open console in init runtime
Merge branch 'master' of https://github.com/chuanweizhang2013/cocos2d-js
modify PrebuiltRuntimeJs.apk
Issue #5781: Fix template issue on iOS 5.0
modify back button position to relative,or iPad mini can see this button
add stop background music or it won't stop.