[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.
Cubes
=====
This chapter describes how to define your own cubes and reuse already available cubes.
.. toctree::
:maxdepth: 1
layout.rst
cc-newcube.rst
available-cubes.rst