Git commits in Moodle 2.8.x by Marco Rougeth

commit 6bb02c27d5f4d23094c63c16360e6b7cf6858949
Author: Marco Rougeth <marco@rougeth.com>
Date:   Tue, 23 Dec 2014 19:07:43 +0800
Tag:    v2.8.2

MDL-48640 report_configchanges: Remove duplicated code