Git commits in Moodle 2.1.5 by Jason Ilicic

commit fa1990992c2e3f7b30eb928b7c5b700e47ec2106
Author: Jason Ilicic <jason.ilicic@netspot.com.au>
Date:   Fri, 04 Feb 2011 08:27:53 +0800
Tag:    v2.1.5

MDL-26260 Fix quiz right-click prevention loophole.