Still small adjustments

lodel/plugins/webui/interface/controllers/base.py

     return template_loader.render_to_html(template_file='components/components.html', template_vars=params)
 
 def index(request):
-    return get_response('listing/collections')
+    return get_response('index/index.html')
 
 
 def not_found(request):

lodel/plugins/webui/templates/index/index.html

 {% block title %}Lodel 2 - DASHBOARD{% endblock %}
 {% block content %}
 <ul>
-    <li><a href="list_classes">Tous les types</a></li>
+    <li><a href="collections">Collections</a></li>
 </ul>
 {% endblock %}