fixed emit last frame several times
fixed timeline loop
fix memory leak when reload texture
shader optimize
Merge pull request #8853 from 2youyouo2/v3_EventFrame

fixed emit frame event
Merge pull request #8852 from zhongfq/patch-1

fix memory leak when reload texture
[AUTO]: updating luabinding automatically
[ci skip]Update Authors
[ci skip] Update CHANGELOG
Merge pull request #8860 from CocosRobot/update_lua_bindings_1413785078

[AUTO]: updating luabinding automatically
Merge pull request #8859 from super626/v3

3d shader optimize
Update Lua AssetsManagerEx test
Merge branch 'v3' of https://github.com/cocos2d/cocos2d-x into v3_new_spine