[entities] Move CWSource update_config method as a function in 3.15 migration script
This script is the only caller of this method. In the code of the function,
drop "skip_unknown" argument and continue accordingly upon OptionError.
.. -*- coding: utf-8 -*-
Online documentation system
===========================
.. automodule:: cubicweb.web.views.wdoc
Help views
----------
.. autoclass:: cubicweb.web.views.wdoc.InlineHelpView
Actions
-------
.. autoclass:: cubicweb.web.views.wdoc.HelpAction
.. autoclass:: cubicweb.web.views.wdoc.AboutAction