StatusNet class renamed GNUsocial

also added backward compatible StatusNet class for the two calls I know
third party plugins use, isHTTPS and getActivePlugins

plugins/EmailSummary/scripts/sendemailsummary.php

@@ -40,7 +40,7 @@ if (have_option('u', 'universe')) {
     if ($sn->find()) {
         while ($sn->fetch()) {
             $server = $sn->getServerName();
-            StatusNet::init($server);
+            GNUsocial::init($server);
             // Different queue manager, maybe!
             $qm = QueueManager::get();
             $qm->enqueue(1, 'sitesum');