[cwconfig] Issue a warning when a "core" ctl plugin failed to load
This is often because of a missing dependency, the warning would indicate this
hopefully.
.. _login_module:
:mod:`cubicweb.pyramid.login`
-----------------------------
.. automodule:: cubicweb.pyramid.login
.. autofunction:: includeme
Views
-----
.. autofunction:: login_form
.. autofunction:: login_password_login
.. autofunction:: login_already_loggedin