Git commits in Moodle 3.2.7 by David Monllao

commit 40c64cf9ff60e3556be60e84cec68e78e67dd522
Author: David Monllao <davidm@moodle.com>
Date:   Thu, 23 Nov 2017 20:35:13 +0800
Tag:    v3.2.7

weekly release 3.2.6+