Git commits in Moodle 2.3.1 by Mark Nelson

commit faca7084844ff3b73c44fe81c3e2e7da9ed8388b
Author: Mark Nelson <mark@moodle.com.au>
Date:   Wed, 27 Jun 2012 14:31:03 +0800
Tag:    v2.3.1

MDL-34025 - quiz secure window: fix popup closing