Git commits in Moodle 3.1.10 by Adrian Greeve

commit 96e40b6cfc63734b0914accc2d6c1ea43f5a1c21
Author: Adrian Greeve <adrian@moodle.com>
Date:   Mon, 08 Jan 2018 08:38:10 +0800
Tag:    v3.1.10

MDL-61131 repositories: Added a key to verify incoming urls.