/**
  * Retrieve object of config
  *
  * @return Mage_Connect_Config
  */
 public function config()
 {
     if (!$this->_config) {
         $this->_config = $this->model('connect', true)->connect()->getConfig();
         if (!$this->_config->isLoaded()) {
             $this->session()->addMessage('error', "Settings has not been loaded. Used default settings");
             if ($this->_config->getError()) {
                 $this->session()->addMessage('error', $this->_config->getError());
             }
         }
     }
     return $this->_config;
 }