fixed call Bone::setRotation has no effect
Merge branch 'v3' of https://github.com/cocos2d/cocos2d-x into v3
Merge pull request #7380 from huangshiwu/v3

change "const static" to "static const"
Merge pull request #7383 from 2youyouo2/v3

fixed call Bone::setRotation has no effect