Added clone model (WIP)

busManager/coord/templates/admin/admin_change_form.html

@@ -2,6 +2,6 @@
 {% load i18n admin_urls %}
 
 {% block object-tools-items %}
-      <li><a href="clone/" class="addlink">{{ clone_verbose_name }}</a></li>
+      <li><a href="{{ clone_link }}" class="addlink">{{ clone_verbose_name }}</a></li>
   {{ block.super }}
 {% endblock %}