commit 2ddbc1050e95beae6ef98eb0fdacaf2be3a46d62
Author: Henrik Thorn <henrikthorn@it-kartellet.dk>
Date:   Mon Oct 27 13:46:04 2014 +0100

    User selector shows users that have a disabled enrolment on courses, which adds them to groups and selectors that does not make it easy for teachers to select the correct students

diff --git a/user/selector/lib.php b/user/selector/lib.php
index 8812d93..d995235 100644
--- a/user/selector/lib.php
+++ b/user/selector/lib.php
@@ -868,7 +868,7 @@ class group_non_members_selector extends groups_user_selector_base {
         list($searchcondition, $searchparams) = $this->search_sql($search, 'u');
 
         // Build the SQL.
-        list($enrolsql, $enrolparams) = get_enrolled_sql($context);
+        list($enrolsql, $enrolparams) = get_enrolled_sql($context, '',  0, true);
         $fields = "SELECT r.id AS roleid, u.id AS userid,
                           " . $this->required_fields_sql('u') . ",
                           (SELECT count(igm.groupid)