ZF2 - Get controller name into layout/views
public function postDispatch(Zend_Controller_Request_Abstract $request)
{
    $viewRenderer = Zend_Controller_Action_HelperBroker::getStaticHelper('viewRenderer');
    if (null === $viewRenderer->view) {
        $viewRenderer->initView();
    }
    $view = $viewRenderer->view;

    $view->module   = $request->getModuleName();
    $view->controller = $request->getControllerName();
    $view->action = $request->getActionName();
}

public function renderView(MvcEvent $e)
{
    $response = $e->getResponse();
    if (!$response->isSuccess()) {
        return;
    }

    $routeMatch = $e->getRouteMatch();
    $controller = $routeMatch->getParam('controller', 'index');
    $action     = $routeMatch->getParam('action', 'index');
    $script     = $controller . '/' . $action . '.phtml';

    // Assign these to the view

    $vars       = $e->getResult();
    if (is_scalar($vars)) {
        $vars = array('content' => $vars);
    } elseif (is_object($vars) && !$vars instanceof ArrayAccess) {
        $vars = (array) $vars;
    }

    // Just before the layout is rendered... add the vars (already being passed)
    $vars['controller'] = $controller;
    $vars['action'] = $action;

    $content    = $this->view->render($script, $vars);

    $e->setParam('content', $content);
    return $content;
}