/**
  * Update the specified resource in storage.
  *
  * @param  Request  $request
  * @param  int  $id
  * @return Response
  */
 public function update($id, Requests\PhotoRequest $request)
 {
     $photo = Photo::findOrFail($id);
     $photo->update($request->all());
     flashMessage("The photo has been updated.", "alert-success");
     return redirect('photos/list');
 }