Git commits in Moodle 2.4.2 by ppichet

commit 92a7501ac680278bf96e4bc54c134c497b81c5dd
Author: ppichet <pichet.pierre@uqam.ca>
Date:   Fri, 18 Jan 2013 23:00:34 +0800
Tag:    v2.4.2

MDL-29691 Improve numerical format in multianswer