public function aboutAction()
{
$key = "short";
if (!Scalr::isHostedScalr() || $this->user->isScalrAdmin() || $this->request->getHeaderVar('Interface-Beta')) {
$key = $this->user->isScalrAdmin() || $this->request->getHeaderVar('Interface-Beta') ? "beta" : "full";
}
$this->response->page('ui/core/about.js', Scalr::getContainer()->version($key));
}