static public function registerZend()
 {
   if (self::$zendLoaded)
   {
     return;
   }
   set_include_path(dirname(__FILE__).'/../vendor'.PATH_SEPARATOR.get_include_path());
   require_once dirname(__FILE__).'/../vendor/Zend/Loader/Autoloader.php';
   Zend_Loader_Autoloader::getInstance();
   self::prepareZendSearchLucene();
   self::$zendLoaded = true;
 }