Git commits in Moodle 3.1.3 by Cameron Ball

commit e1b37e86389634e77519bf095614f5f8cf82d138
Author: Cameron Ball <cameron@moodle.com>
Date:   Wed, 05 Oct 2016 19:16:33 +0800
Tag:    v3.1.3

MDL-54802 mod_quiz: Improve validation when editing a quiz uusing require passing grade


commit 5749d00b255ddbb41d62055c7333c84b26bb9aea
Author: Cameron Ball <cameron@moodle.com>
Date:   Wed, 05 Oct 2016 17:14:00 +0800
Tag:    v3.1.3

MDL-54802 mod_quiz: Move grade to pass error to require passing grade element


commit 9823b5c6773492566d8e80e2af076155d99ed9e8
Author: Cameron Ball <cameron@moodle.com>
Date:   Thu, 01 Sep 2016 14:42:42 +0800
Tag:    v3.1.3

MDL-54793 webservice_xmlrpc: Don't treat GET and POST as arguments