migrate setAnchorPoint to Vector2
migrate getAnchorPoint, getAnchorPointInPoints and relative member variable to Vector2
remove Point in CCNode.h and CCSprite.h
Migrate to Vector2 in DrawPrimitive.h
deprecate Point, using Vector2 instead
replace Point with Vector2
replace Point with Vector2 in cocos folder cpp file
replace Point with Vector2 in tests, extension folder