UWMOODLE-827: Update plugins as needed and test against Moodle 2.9.

Renamed deprecated function.

Task-Url: https://jira.doit.wisc.edu/jira/browse/UWMOODLE-827

lib.php

@@ -86,7 +86,7 @@ function local_dataseteditor_add_navigation_nodes($topnode, $urlparams) {
 }
 
 
-function local_dataseteditor_extends_settings_navigation($settings, $denode) {
+function local_dataseteditor_extend_settings_navigation($settings, $denode) {
     global $PAGE;
 
     /* First ensure that we should show navigation nodes. */