Fixed #4277: replace 'initWithSpriteFrame' to 'setSpriteFrame' in MoonWarriors.
Merge branch 'master' of https://github.com/cocos2d/cocos2d-js into Iss4277_ReleaseV3.0
Merge pull request #156 from dingpinglv/Iss4277_ReleaseV3.0

Fixed #4277: replace 'initWithSpriteFrame' to 'setSpriteFrame' in MoonWarriors.