Git commits in Moodle 3.6.0 by David M Penner

commit 8791c50d64b5b3786a9399f0466de1c373d160b7
Author: David M Penner <pennedav@gmail.com>
Date:   Thu, 14 Jun 2018 02:24:28 +0800
Tag:    v3.6.0-beta

MDL-62709 core_message: fix for silently ignored errors in task