Fix #344 show full session date in mobile app.

classes/output/mobile.php

@@ -157,7 +157,7 @@ class mobile {
                 }
 
                 if ($isteacher || $canmark) {
-                    $html = array('time' => attendance_construct_session_time($sess->sessdate, $sess->duration));
+                    $html = array('time' => strip_tags(construct_session_full_date_time($sess->sessdate, $sess->duration)));
                     if (!empty($sess->groupid)) {
                         // TODO In-efficient way to get group name - we should get all groups in one query.
                         $groupname = $DB->get_field('groups', 'name', array('id' => $sess->groupid));