protected function renderTwigTemplate($template, $parameters)
{
$twig = new \Twig_Environment(new \Twig_Loader_Filesystem(__DIR__ . '/../../../../install/Resources/templates/'), array('debug' => true, 'cache' => false, 'strict_variables' => true, 'autoescape' => false));
return $twig->render($template, $parameters);
}