Git commits in Moodle 2.4.2 by Tim Lock

commit c9c205e450f9d4694c1caf61024e8ce5eefcca21
Author: Tim Lock <tim.lock@netspot.com.au>
Date:   Wed, 20 Feb 2013 10:48:11 +0800
Tag:    v2.4.2

MDL-38113: Blind Marking grader email reveals submitters details