Git commits in Moodle 2.7.x by Marco Rougeth

commit c06e97f7f6ae08e8b5482159e7de09f01b82d99d
Author: Marco Rougeth <marco@rougeth.com>
Date:   Tue, 23 Dec 2014 19:07:43 +0800
Tag:    v2.7.4

MDL-48640 report_configchanges: Remove duplicated code