minor clean-ups, link-primary now has cursor set via role=button (go figure?) and face distance is not undefined on override, its deliberately set to N/A

templates/viewer.html

@@ -58,6 +58,7 @@
             {% if face.manual_override %}
                 data['override']=1
                 data['who']='{{face.manual_override.person.tag}}'
+                data['distance']="N/A"
             {% endif %}
             e.faces.push( data )
         {% endfor %}