Git commits in Moodle 2.2.4 by Mark Nelson

commit 0601dd6961e44e438abb10f8f6ba097f7475fafc
Author: Mark Nelson <mark@moodle.com.au>
Date:   Wed, 27 Jun 2012 14:31:03 +0800
Tag:    v2.2.4

MDL-34025 - quiz secure window: fix popup closing