add required messages block to authentic (#8618)

templates/authentic2/base.html

@@ -9,6 +9,18 @@
 {% if user.is_authenticated %}{{user.get_full_name}}{% else %}Compte Citoyen{% endif %}
 {% endblock %}
 
+{% block messages %}
+{% if messages %}
+  <div id="messages" class="messages-login">
+    <ul class="messages">
+      {% for message in messages %}
+      <li{% if message.tags %} class="{{ message.tags }}"{% endif %}>{{ message }}</li>
+      {% endfor %}
+    </ul>
+  </div>
+{% endif %}
+{% endblock %}
+
 {% block left-menu-links %}
     {% if request.user.is_authenticated %}
 				    <li><a href="{{ idp_url }}accounts/">Mon compte</a></li>

templates/combo/page_template.html

@@ -30,6 +30,11 @@ class="page-{{ page.slug }}"
 {% placeholder "menu_right" %}
 {% endblock %}
 
+{% block messages %}
+{{ block.super }}
+{% placeholder "messages" %}
+{% endblock %}
+
 {% block content %}
   <ol class="box-breadcrumb breadcrumb">
     {% for one_page in pages %}