public function add()
 {
     $e = new ExcepcionesCliente();
     $e->fecha = Carbon::now();
     $e->id_cliente = Auth::user()->id_cliente;
     $e->id_excepcion = 1;
     if ($e->save()) {
         Session::flush();
         if (Request::ajax()) {
             return 'OK';
         }
     }
     return Redirect::to('http://www.umayor.cl');
 }