[ADD] port security reference doc
[ADD] openerp.http reference doc

* fix some docstrings so they can be autodoc'd
* intersphinx mapping (and links to) werkzeug and python
[ADD] web client tutorial/training

needs fixes, and corresponding web client reference
[FIX] http.py: session id is `sid` attribute
[REF] website
Merge branch '8.0' of git://github.com/odoo/odoo into 8.0
Merge branch '8.0' of https://github.com/lercloud/odoo into 8.0