[doc] add missing dependencies in annexes. explain more precisely source install.

Feedback sent by Carlos Balderas.

--HG--
branch : stable

doc/book/en/admin/setup.rst

@@ -63,19 +63,26 @@ You can download the archive containing the sources from our `ftp site`_ at::
 
 .. _`ftp site`: http://ftp.logilab.org/pub/cubicweb/
 
-or keep up to date with on-going development by using Mercurial and its forest
-extension::
+Make sure you have installed the dependencies (see appendixes for the list).
+
+Install from version control system
+```````````````````````````````````
+
+You can keep up to date with on-going development by using Mercurial and its
+forest extension::
 
   hg fclone http://www.logilab.org/hg/forests/cubicweb
 
 See :ref:`MercurialPresentation` for more details about Mercurial.
+
 When cloning a repository, you might be set in a development branch
 (the 'default' branch). You should check that the branches of the
 repositories are set to 'stable' (using `hg up stable` for each one)
 if you do not intend to develop the framework itself.
 
-In both cases, make sure you have installed the dependencies (see appendixes for
-the list).
+Do not forget to update the forest itself (using `cd path/to/forest ; hg up`).
+
+Make sure you have installed the dependencies (see appendixes for the list).
 
 Windows installation
 ````````````````````

doc/book/en/annexes/depends.rst

@@ -47,5 +47,17 @@ to have installed in order for CubicWeb to work:
 * fyzz - http://www.logilab.org/project/fyzz - http://pypi.python.org/pypi/fyzz
   - included in the forest
 
+* psycopg2 - http://initd.org/projects/psycopg2 - http://pypi.python.org/pypi/psycopg2
+
+* docsutils - http://docutils.sourceforge.net/ - http://pypi.python.org/pypi/docutils
+
+For the google-appengine extension to be available, you also need:
+
+* dateutil - http://labix.org/python-dateutil -
+  http://pypi.python.org/pypi/python-dateutil/
+
+* vobject - http://vobject.skyhouseconsulting.com/ -
+  http://pypi.python.org/pypi/vobject
+
 Any help with the packaging of CubicWeb for more than Debian/Ubuntu (including
 eggs, buildouts, etc) will be greatly appreciated.