[multi-sources-removal] drop source location search on glob_*[entity|relation] methods
source is now always the system source
Related to #2919300
[jcr: fix wrong rebase in symmetric relation removal]
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