Git commits in Moodle 2.7.3 by David Curry

commit 3ae804809e7c1a147c0e94e2bc128660a9714738
Author: David Curry <david.curry@totaralms.com>
Date:   Wed, 03 Sep 2014 11:49:15 +0800
Tag:    v2.7.3

MDL-47076 badges: Add checks to user fields during badges restoration