NodeAttributes::finishOption

private function finishOption()
{
//		clean cloud sites cache only if needed
	$this->updateSites();

//		finish current updater id, try next
	Option::delete('landing', array('name' => $this->getOptionName()));
	$this->status['SITES_TO_UPDATE'] = array();
	$this->status['UPDATER_ID'] = '';
	Option::set('landing', self::OPTION_STATUS_NAME, serialize($this->status));
}