Git commits in Moodle 3.0.5 by Russell Smith

commit 2b04eb1f1406e20e3a7f18d95a83292116f90df8
Author: Russell Smith <mr-russ@smith2001.net>
Date:   Tue, 21 Jun 2016 06:31:26 +0800
Tag:    v3.0.5

MDL-54881 quiz: Ensure user attempts are deterministic for testing.