Git commits in Moodle 2.4.7 by Davo Smith

commit 59e88791300d5654281ec1704f50ca452136e78f
Author: Davo Smith <git@davosmith.co.uk>
Date:   Tue, 15 Oct 2013 21:30:33 +0800
Tag:    v2.4.7

MDL-35402 forms - prevent crash when multiple rules defined on an editor element