Git commits in Moodle 2.9.7 by Dan Poltawski

commit c345c3a4605f965cef2897b3bde39ce304c53564
Author: Dan Poltawski <dan@moodle.com>
Date:   Fri, 20 May 2016 17:15:27 +0800
Tag:    v2.9.7

weekly release 2.9.6+