Git commits in Moodle 1.7.0 by fyang1024

commit 3353b091f692b139c83f3ec4506000aa69480b7b
Author: fyang1024 <fyang1024>
Date:   Mon, 05 Jun 2006 18:01:42 +0800
Tag:    v1.7.0

add learner link when user is a teacher