[auth] Make the configuration cookies completely configurable
Also transfert the secret setting from all-in-one.conf to pyramid.ini,
with backward compatibility.
Closes #5999625
.. _login_module:
:mod:`pyramid_cubicweb.login`
-----------------------------
.. automodule:: pyramid_cubicweb.login
.. autofunction:: includeme
Views
-----
.. autofunction:: login_form
.. autofunction:: login_password_login
.. autofunction:: login_already_loggedin