[book] some more documentation and cleanups * merged existing facets documentation with the one I've just written and put almost everything within the code * added a note about __depends__ and __recommends__ and about the recommends semantic (extracted from a post on the ml) * added a note about write security checking (extracted from a post on the ml) * fixed some dumb sphinx errors

.. -*- coding: utf-8 -*-

.. _Part4:

----------
Appendixes
----------

The following chapters are reference material.

.. toctree::
   :maxdepth: 1
   :numbered:

   faq
   cubicweb-ctl
   rql/index
   mercurial
   depends
   javascript-api
   docstrings-conventions