Merge pull request #8722 from samuele3hu/v3_assetsmanager

Add AssetsmanagerEx and adjust related project configure and files
[AUTO][ci skip]: updating cocos2dx_files.json
[ci skip] Update CHANGELOG
[AUTO]: updating luabinding automatically
Merge pull request #8723 from CocosRobot/update_cocosfiles_1413431801

[AUTO][ci skip]: updating cocos2dx_files.json
Merge pull request #8724 from CocosRobot/update_lua_bindings_1413431912

[AUTO]: updating luabinding automatically