Git commits in Moodle 3.4.5 by sam marshall

commit fc4ca0f91c0645204074e06bedddf521db9f868c
Author: sam marshall <s.marshall@open.ac.uk>
Date:   Thu, 21 Jun 2018 00:44:51 +0800
Tag:    v3.4.5

MDL-62799 tool_dataprivacy: Add capabilities to control data downloads