/**
* initialise config object
* @return void
*/
private function createConfig()
{
$this->_config =& SPFactory::config();
/* load basic configuration settings */
$this->_config->addIniFile('etc.config', true);
$this->_config->addTable('spdb_config', $this->_section);
/* initialise interface config setting */
$this->_mainframe->getBasicCfg();
/* initialise config */
$this->_config->init();
}