Git commits in Moodle 2.4.8 by M Kassaei

commit 00d737bbe8a319ef7b89e5d78b78ff50c0e214a1
Author: M Kassaei <m.kassaei@open.ac.uk>
Date:   Thu, 17 Oct 2013 21:46:58 +0800
Tag:    v2.4.8

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