Git commits in Moodle 3.1.x by Michael Hughes

commit 59e95487622652cb2bbed2cb2888f81bd3441290
Author: Michael Hughes <michaelhughes@strath.ac.uk>
Date:   Thu, 14 Jan 2016 18:11:18 +0800
Tag:    v3.1.0-beta

MDL-52270 mod_assign: Adapt unit tests

commit 18b797347f881c7d1c655482bfe22b91ceac656b
Author: Michael Hughes <michaelhughes@strath.ac.uk>
Date:   Mon, 23 Nov 2015 18:47:59 +0800
Tag:    v3.1.0-beta

MDL-52270 Assignment: Display Participant Number