Update the k-fet calendar url on the home page

gestioncof/templates/gestioncof/home.html

@@ -49,7 +49,7 @@
                 <ul>
                     {# TODO: Since Django 1.9, we can store result with "as", allowing proper value management (if None) #}
                     <li><a href="{% slugurl "k-fet" %}">Page d'accueil</a></li>
-                    <li><a href="https://www.cof.ens.fr/k-fet/calendrier">Calendrier</a></li>
+                    <li><a href="https://cof.ens.fr/gestion/k-fet/le-calendrier/">Calendrier</a></li>
                     {% if perms.kfet.is_team %}
                     <li><a href="{% url 'kfet.kpsul' %}">K-Psul</a></li>
                     {% endif %}