Git commits in Moodle 2.4.8 by Jenny Gray

commit 82882a903475f1662bd5cbb56fecb87f1d02f684
Author: Jenny Gray <j.m.gray@open.ac.uk>
Date:   Tue, 03 Dec 2013 17:45:14 +0800
Tag:    v2.4.8

MDL-43135 Guest Enrol: new language string for with key icon