Git commits in Moodle 2.4.7 by Colin Campbell

commit 4bb2eaa7d060e63469813eb6ddd1ebf142a83b42
Author: Colin Campbell <colin@umn.edu>
Date:   Fri, 01 Nov 2013 00:12:09 +0800
Tag:    v2.4.7

MDL-42640 quiz: Fix restore of backup without overduehandling setting