added onMakeDraggable, and onMakeUnDraggable to manage cursors, etc when draggability changes
added onMakeDraggable, and onMakeUnDraggable to manage cursors, etc when draggability changes

added makeDraggable and makeUnDraggable to handle adding draggablity to this.win property

surebert/webapp-basic,surebert/surebert-framework,surebert/webapp-basic,surebert/surebert-toolkit