Preparations for copy event feature.

dav_events/templates/dav_events/event_detail.html

@@ -60,14 +60,12 @@
 {% block page-container-fluid %}
 <div class="action-tabs">
     <div class="pull-right">
-        <!--
         <a class="btn btn-primary"
-           href="{% url 'dav_events:event_detail' event.pk %}"
+           href="{% url 'dav_events:event_copy' event.pk %}"
            title="{% trans 'Diese Veranstaltung als Vorlage für eine neue Veranstaltung benutzen' %}">
             {% bootstrap_icon 'duplicate' %}&thinsp;
             {% trans 'Kopieren' %}
         </a>
-        -->
         {% if has_permission_accept %}
         <a class="btn {% if event.get_status == 'submitted' %}btn-success{% else %}btn-default disabled{% endif %}"
            data-toggle="modal" data-target="#modal-accept-dialog">