Git commits in Moodle 3.2.4 by Adam Olley

commit eea5900c1394f9757ec0656f28c1b74c593434f2
Author: Adam Olley <adam.olley@blackboard.com>
Date:   Thu, 20 Apr 2017 10:11:59 +0800
Tag:    v3.2.4

MDL-58651 logstore_database: Add ability to not send database options