Git commits in Moodle 2.9.0 by Marco Rougeth

commit d46dc7d7e082e77fb5f344d3893885177bfc6624
Author: Marco Rougeth <marco@rougeth.com>
Date:   Tue, 23 Dec 2014 19:07:43 +0800
Tag:    v2.9.0-beta

MDL-48640 report_configchanges: Remove duplicated code