Git commits in Moodle 3.4.0 by Peter Spicer

commit 9c064d03807600e7931c347517b8fd3500906816
Author: Peter Spicer <peter.spicer@catalyst-eu.net>
Date:   Wed, 30 Aug 2017 11:29:42 +0800
Tag:    v3.4.0-beta

MDL-59815 access: Fix definition of risks for user:delete.