Git commits in Moodle 2.5.0 by Kevin Wiliarty

commit a6a33636ebff7249eda0f9828ab0b7ffd1153744
Author: Kevin Wiliarty <kevin.wiliarty@gmail.com>
Date:   Tue, 04 Sep 2012 13:50:07 +0800
Tag:    v2.5.0-beta

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