/**
  * Update the specified resource in storage.
  * @Put("pagos/update/{id}")
  * @param  \Illuminate\Http\Request  $request
  * @param  int  $id
  * @return \Illuminate\Http\Response
  */
 public function update(Request $request, $id)
 {
     $payment = Payment::find($id);
     $payment->fill($request->all());
     $payment->save();
     Session::flash('message', 'Tipo de pago editado correctamente');
     return Redirect::to('/pagos');
 }