/**
  * Show the form for editing the specified resource.
  *
  * @param  int  $id
  * @return Response
  */
 public function edit($id)
 {
     $roles = Role::lists('name', 'id');
     $user = User::findOrFail($id);
     return view('admin.users.edit', ['roles' => $roles, 'user' => $user]);
 }