Update html5 engine
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-js into develop
Upgrade html5 engine
Issue #5907: Add cc.view.g|setTargetDensityDPI
[Cocos2d-JS 3.0 Release] Add docs
Update jsb_boot.js

i18n JSB different
Update jsb_boot.js

i18n code  JSB different
Merge pull request #774 from duhaibo0404/develop

i18n code different with jsb_boot.js and CCCommon.h
node is undefined
Merge pull request #775 from VisualSJ/develop

node is undefined
Issue #5907: Fix issues of cc.formatStr and language constants
Improve docs and update html5 engine
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-js into develop
Merge pull request #776 from pandamicro/develop

Improve docs and update html5 engine
[Cocos2d-JS] Improve docs for 3.0 Release
Merge pull request #777 from pandamicro/develop

[Cocos2d-JS] Improve docs for 3.0 Release
[Cocos2d-JS] Improve docs for 3.0 Release
Merge pull request #778 from pandamicro/develop

[Cocos2d-JS] Improve docs for 3.0 Release
Fix bug: Runtime.cpp protobuf object parseFromString may result in an incomplete protobuf object.
Updates cocos2d-html5's reference.