Merge pull request #403 from Indemnity83/empty-auth

Don't ask for username/password if none are defined

backend/templates/proxy_host.conf

@@ -23,9 +23,11 @@ server {
   location / {
 
     {% if access_list_id > 0 %}
+    {% if access_list.items.length > 0 %}
     # Authorization
     auth_basic            "Authorization required";
     auth_basic_user_file  /data/access/{{ access_list_id }};
+    {% endif %}
 
     # Access Rules
     {% for client in access_list.clients %}