Add new catchable events : start drag and stop drag
Add new catchable events : start drag and stop drag

dietrich-stein/ngDraggableRedux,magnet-clip/ngDraggable,minioak/ngDraggable,Gmulti/ngDraggable,fatlinesofcode/ngDraggable,JIakki/ngDraggable,beatboxjs/ngDraggable,paschty/ngDraggable,LSEducation/ngDraggable,gspinella/ngDraggable,YellowSharkMT/ngDraggable,brunokindt/ngDraggable,paschty/ngDraggable,endiny/ngDraggable,OdenFrey/ngDraggable,JIakki/ngDraggable,lucaspenney/ngDraggable,gspinella/ngDraggable,akveo/ngDraggable,octaviandavid/ngDraggable,magnet-clip/ngDraggable,Gmulti/ngDraggable,dietrich-stein/ngDraggableRedux,LSEducation/ngDraggable,brunokindt/ngDraggable,akveo/ngDraggable,lucaspenney/ngDraggable,endiny/ngDraggable,YellowSharkMT/ngDraggable,octaviandavid/ngDraggable,beatboxjs/ngDraggable,fatlinesofcode/ngDraggable,OdenFrey/ngDraggable,minioak/ngDraggable