Git commits in Moodle 2.4.x by Russell Boyatt

commit 74d4a8e314b789db596f5f3364fbaee7aff3aa67
Author: Russell Boyatt <russell.boyatt@warwick.ac.uk>
Date:   Wed, 29 May 2013 22:32:48 +0800
Tag:    v2.4.5

Fixing MDL-39710: setting to limit student access to rubric now checked.