/**
  * update existing activity
  * @param Request $request
  * @param $club
  * @param $activity
  * @return \Illuminate\Http\RedirectResponse
  */
 public function update(Request $request, $club, $activity)
 {
     $activity = ClubActivities::findOrFail($activity);
     $activity->update($request->all());
     return \Redirect::action('Manage\\ActivityController@index', ['club' => $club]);
 }
 public function show($club, $activity)
 {
     return ClubActivities::findOrFail($activity);
 }