Git commits in Moodle 2.7.18 by Rajesh Taneja

commit 3f3e62e4fcd10de4a87ef7c0f53ac3407c0b372f
Author: Rajesh Taneja <rajesh@moodle.com>
Date:   Thu, 05 Jan 2017 14:40:16 +0800
Tag:    v2.7.18

MDL-57531 behat: Set noreplyaddress to valid address