/**
  * Update the specified resource in storage.
  *
  * @param  Request  $request
  * @param  int  $id
  * @return Response
  */
 public function update(Request $request, $id)
 {
     $user = User::findOrFail($id);
     if (empty($request->password)) {
         //user is not changing the password
         $password = $user->password;
     } else {
         $password = bcrypt($request->password);
     }
     $user->update(['name' => $request->name, 'username' => $request->username, 'email' => $request->email, 'password' => bcrypt($password)]);
     return redirect('users');
 }