Updated code to use new Logging code in sihnon lib

webui/source/pages/jobs.php

@@ -4,7 +4,7 @@ $main   = RippingCluster_Main::instance();
 $req    = $main->request();
 $config = $main->config();
 
-if ($req->get('submit')) {
+if ($req->exists('submit')) {
     $action =  RippingCluster_Main::issetelse($_POST['action'], 'RippingCluster_Exception_InvalidParameters');
 
     # If a bulk action was selected, the action will be a single term, otherwise it will also contain