Update cocos2d_specifics.hpp

add need unroot
Update cocos2d_specifics.cpp

add need unroot
Merge pull request #3498 from dumganhar/develop

Minor fix of 'Color4F(const Color3B& color3B)'. r(color3B.r) --> r(color3B.r/255.0f)
Merge pull request #3474 from xbruce/develop

closed #2746: cc.registerTargettedDelegate doesn't support pure js object as its target.
Update AUTHORS [ci skip]
issue #2747: [Best C++ practice] Deprecating Sprite::displayFrame, adding Sprite::getDisplayFrame.
closed #2747: Don't skip cc.Sprite.getDisplayFrame.
Merge pull request #3499 from dumganhar/iss2747-sprite-getDisplayFrame

issue #2747: cc.Sprite.getDisplayFrame() was not exposed to JS and Lua.
[AUTO] : updating submodule reference to latest autogenerated bindings
Merge pull request #3500 from CocosRobot/updategeneratedsubmodule_1377701397

[AUTO] : updating submodule reference to latest autogenerated bindings[ci skip]