Git commits in Moodle 2.4.1 by Kevin Wiliarty

commit 1c50e53a0515ce7187ef0423b53e988b8429af16
Author: Kevin Wiliarty <kevin.wiliarty@gmail.com>
Date:   Tue, 04 Sep 2012 13:50:07 +0800
Tag:    v2.4.1

MDL-35221 mod_feedback: replace checkbox with advcheckbox for all requirable feedback question types