Add remove all button to group edit page

circle/dashboard/templates/dashboard/group-detail.html

@@ -82,6 +82,9 @@
             {% trans "Create user" %}
           </a>
           {% endif %}
+          <a data-group_pk="{{ group.pk }}" href="{% url "dashboard.views.remove-all-users" group_pk=group.pk %}" class="btn btn-danger group-remove-all-btn pull-right">
+            {% trans "Remove all users" %}
+          </a>
         </h3>
         <form action="" method="post">{% csrf_token %}
         <table class="table table-striped table-with-form-fields table-bordered" id="group-detail-user-table">