Git commits in Moodle 2.6.1 by M Kassaei

commit f6240d9eea3cf668602ffdf512a1894590d7f9d2
Author: M Kassaei <m.kassaei@open.ac.uk>
Date:   Thu, 17 Oct 2013 21:46:58 +0800
Tag:    v2.6.1

MDL-42181 quiz nav: highight all buttons when all Qs on one page