[server] Reprase messages of db-check to avoid using "system" and "sources"
And rather mention "entity type table" and "entities" table, which are
clearer references.
.. _appobject_module:
:mod:`cubicweb.appobject`
=========================
.. automodule:: cubicweb.appobject
.. autoclass:: AppObject
:show-inheritance:
:members: