Issue #30 - Add finished flag to mark the real time that an outage was finished.

manage.php

@@ -33,6 +33,6 @@ $renderer = outagelib::pagesetup();
 
 echo $OUTPUT->header();
 
-$renderer->renderoutagelist(outagedb::get_all_future(), outagedb::get_all_past());
+$renderer->renderoutagelist(outagedb::get_all_unended(), outagedb::get_all_ended());
 
 echo $OUTPUT->footer();