Merge pull request #19 from cocos2d/master

update cocos2d-js
add js breakpoint support
update remove
add runtime
Merge pull request #20 from cocos2d/master

update cocos2d-js
Merge pull request #21 from cocos2d/master

update cocos2d-js
add title rename
remove extra line break
fixed xiaomi get ip error
update runtime
Merge pull request #22 from cocos2d/master

update cocos2d-js
Merge pull request #23 from cocos2d/master

update cocos2d-js
update prebuilt
Merge pull request #292 from chuanweizhang2013/master

update cocos2d-js