/**
  * Update the specified Configuration in storage.
  *
  * @param  int              $id
  * @param PrepareConfigurationUpdateRequest $request
  *
  * @return Response
  */
 public function update(PrepareConfigurationUpdateRequest $request, $id)
 {
     $configuration = Configuration::findOrFail($id);
     $configuration->update(['value' => $request->value, 'lang' => $request->lang]);
     Session::flash('configuration', trans('ticketit::lang.configuration-name-has-been-modified', ['name' => $request->name]));
     Cache::forget('settings');
     // refresh cached settings
     //return redirect(route('ticketit::admin.configuration.index'));
     return redirect()->action('\\Kordy\\Ticketit\\Controllers\\ConfigurationsController@index');
 }