support blend func
change frame event and movement event callback function
fix addDisplay(CCNode *node, int index) method
update
Merge branch 'v2x' of git://github.com/chukong/cocos2d-x into v2x
1.remove sigslot
2.fix read movementbonedata scale error
Merge pull request #27 from 2youyouo2/v2x

update armature