Update LuaMinXmlHttpRequest.h/.cpp
Merge branch 'v3' of https://github.com/cocos2d/cocos2d-x into v3_new_spine
Remove some useless rename functions in the cocos2dx.ini and cocos2dx_studio.ini
Fix the bug that callbacks aren’t triggered when response failed
Merge pull request #8868 from samuele3hu/v3_new_spine

Update LuaMinXmlHttpRequest and remove some useless rename functions in the cocos2dx.ini and cocos2dx_studio.ini
fixed bug of definition of utils:: getCascadeBoundingBox()
Merge pull request #8876 from SunLightJuly/fix_bug

fixed bug of definition of utils:: getCascadeBoundingBox()
update release note
Merge pull request #8877 from minggo/update-release-note

[ci skip]update release note
Merge pull request #96 from cocos2d/v3

Sync Cocos2d-x v3.3 rc0