Fix cron-module for oldui; Closes #1181

modules/cron/www/cron.php

@@ -16,4 +16,4 @@ $output = $request->get('output');
 
 $controller = new Controller\Cron($config, $session);
 $response = $controller->run($tag, $key, $output);
-$response->send();
+$response->show();

modules/cron/www/croninfo.php

@@ -16,4 +16,4 @@ $session = Session::getSessionFromRequest();
 
 $controller = new Controller\Cron($config, $session);
 $response = $controller->info();
-$response->send();
+$response->show();