Git commits in Moodle 2.3.8 by Iñaki Arenaza

commit 689ba48b002abba8ab6d4dd78e97d99c79778137
Author: Iñaki Arenaza <iarenaza@mondragon.edu>
Date:   Thu, 30 May 2013 23:09:49 +0800
Tag:    v2.3.8

MDL-34085 Fix the backup options names in core_course_duplicate_course