/**
* Authors Action
*
* Return list of Authors based on key words sent as query (GET)
* NOT A STAND ALONE PAGE
*/
public function authorsAction()
{
$key = $this->getRequest()->getQuery()->key;
$sm = $this->getServiceLocator();
$books = new Books($sm);
$view = new ViewModel(array('authors' => $books->listAuthors($key)));
$view->setTerminal(true);
return $view;
}