/**
  * add access log cleanup task to scheduler
  * 
  * @param Zend_Scheduler $_scheduler
  */
 public static function addAccessLogCleanupTask(Zend_Scheduler $_scheduler)
 {
     $task = Tinebase_Scheduler_Task::getPreparedTask(Tinebase_Scheduler_Task::TASK_TYPE_DAILY, array('controller' => 'Tinebase_AccessLog', 'action' => 'clearTable'));
     $_scheduler->addTask('Tinebase_AccessLogCleanup', $task);
     $_scheduler->saveTask();
     if (Tinebase_Core::isLogLevel(Zend_Log::INFO)) {
         Tinebase_Core::getLogger()->info(__METHOD__ . '::' . __LINE__ . ' Saved task Tinebase_AccessLog::clearTable in scheduler.');
     }
 }