Git commits in Moodle 2.9.0 by Pierre Pichet

commit b8393a77c3e71e8e9482b2ffea5c90dac1cc7f4d
Author: Pierre Pichet <pichet.pierre@uqam.ca>
Date:   Fri, 07 Nov 2014 22:54:43 +0800
Tag:    v2.9.0-beta

MDL-48042 Questions: Reset Calculated qtype comments on datasets