[connection] set language on new Connection for the internal manager
For regular users this is handled by _set_user, but for internal
connections (e.g. used for notifications) we need something else.
.. -*- coding: utf-8 -*-
Server Architecture
-------------------
.. image:: images/server-class-diagram.png
`Diagramme ArgoUML`_
[FIXME]
Make a downloadable source of zargo file.
.. _`Diagramme ArgoUML`: cubicweb.zargo