Display messages in the VPN view

coin/vpn/templates/vpn/vpn.html

@@ -5,6 +5,14 @@
     <h2>Configuration du VPN</h2>
     <form class="flatform" action="{{ object.get_absolute_url }}" method="post">{% csrf_token %}
     <p class="legend">Quand vous aurez terminé vos modifications, cliquez sur <input class="button" type="submit" value="Valider" /></p>
+
+    {% if messages %}
+    <ul class="messages">
+        {% for message in messages %}
+        <li{% if message.tags %} class="{{ message.tags }}"{% endif %}>{{ message }}</li>
+        {% endfor %}
+    </ul>
+    {% endif %}
     
     {% if form.non_field_errors or form.ipv4_endpoint.errors or form.ipv6_endpoint.errors %}
     <div class="alert-box alert nogap">