/**
  * Update the specified resource in storage.
  *
  * @param  Tag $id
  * @param  Request $request
  * @return RedirectResponse
  */
 public function update($id, Request $request)
 {
     $this->tag = Tag::find($id);
     $this->tag->update($request->all());
     Flash::success(trans('tag::messages.tag updated'));
     return $this->toIndex();
 }