Controller: extending off nbd/Controller/Responsive
Controller: extending off nbd/Controller/Responsive

Instead of Entity, Responsive allows controllers to be responsive while
maintaining the same behavior of Entity controllers.

behance/BeFF,behance/BeFF,mrjoelkemp/BeFF,hzoo/BeFF,Aintaer/BeFF,Aintaer/BeFF,hzoo/BeFF,jrefano/BeFF