[pkg] Use setuptools.find_packages()
We drop the custom get_packages() function in setup.py that used to look
for test files (not discovered automatically since test directories are
not packages) and replace it by explicit entries in MANIFEST.in.
.. _appobject_module:
:mod:`cubicweb.appobject`
=========================
.. automodule:: cubicweb.appobject
.. autoclass:: AppObject
:show-inheritance:
:members: