apply draggable.handle css selector on drag instead of during initialization
apply draggable.handle css selector on drag instead of during initialization

RJMetrics/angular-gridster,ManifestWebDesign/angular-gridster,nimbussw/angular-gridster,nimbussw/angular-gridster,mportuga/angular-gridster,RJMetrics/angular-gridster,ManifestWebDesign/angular-gridster,mportuga/angular-gridster