style: made the avatar and name of the person a link

community/lms/widgets/CourseTeaser.html

@@ -7,7 +7,9 @@
   </div>
   <div class="course-footer">
     <div class="course-author">
-      <img class="course-author-avatar" src="{{ course.get_instructor().avatar }}" />{{ course.get_instructor().full_name }}
+      {% with author = course.get_instructor() %}
+        {{ widgets.Avatar(member=author, avatar_class="avatar-medium") }} <a href="/{{author.username}}">{{ author.full_name }}</a>
+      {% endwith %}
     </div>
   </div>
 </div>

community/lms/widgets/SketchTeaser.html

@@ -9,7 +9,8 @@
       <a href="sketches/{{sketch.sketch_id}}">{{sketch.title}}</a>
     </div>
     <div class="sketch-author">
-      by {{sketch.get_owner().full_name}}
+      {% set owner = sketch.get_owner() %}
+      by <a href="/{{owner.username}}">{{owner.full_name}}</a>
     </div>
   </div>
 </div>