/**
  * Reset config action
  *
  * @return void
  */
 function w3tc_config_reset()
 {
     $config = new Config();
     $config->set_defaults();
     Util_Admin::config_save($this->_config, $config);
     $config_state = Dispatcher::config_state();
     $config_state->reset();
     $config_state->save();
     $config_state = Dispatcher::config_state_master();
     $config_state->reset();
     $config_state->save();
     Util_Admin::redirect(array('w3tc_note' => 'config_reset'), true);
 }