public function destroy($id)
 {
     $retailer = Retailer::find($id);
     $retailer->delete();
     if ($retailer) {
         $retailers = Retailer::all();
         Session::flash('register-retailer', 'Successfully delete the retailer');
         Session::flash('alert-type', 'alert-success');
         return \Redirect::to('/retailer/view')->with('deleted-retailer', $retailer)->with('retailers', $retailers)->with('title', 'Retailers');
     }
 }