protected function render($step, $vars = array())
{
$vars['next_step'] = $this->getNextStep($step);
$title = _elgg_services()->translator->translate("install:{$step}");
$body = elgg_view("install/pages/{$step}", $vars);
echo elgg_view_page($title, $body, 'default', array('step' => $step, 'steps' => $this->getSteps()));
exit;
}