static public function registerMandrillAPI()
  {
    if (self::$MandrillLoaded)
    {
      #return;
    }
    //define('_MPDF_PATH',sfConfig::get('sf_lib_dir').'/vendor/mpdf/');
    #set_include_path(sfConfig::get('sf_lib_dir').'/vendor/mpdf/'.PATH_SEPARATOR.get_include_path());
    #define('_MPDF_PATH', sfConfig::get('sf_lib_dir').'/vendor/mpdf/');
    
    //define("_MPDF_TEMP_PATH", sfConfig::get('sf_cache_dir').'mpdf_temp/');
    //define("_MPDF_TTFONTDATAPATH", sfConfig::get('sf_cache_dir').'mpdf_font/');
    
    define('MANDRILL_API_KEY', sfConfig::get("app_mandrill_api_key") );

    require_once sfConfig::get('sf_lib_dir').'/vendor/mandrill/Mandrill.php';
    #require_once sfConfig::get('sf_lib_dir').'/vendor/mpdf/mpdfi/mpdfi.php';
    // Zend_Loader_Autoloader::getInstance();
    self::$MandrillLoaded = true;
  }