remove psutil dependency under windows
reverts documentation commit 96aba067a8 because
it prevent sphinx build
merge setup source code and vcs checkout sections and simplify wording
simplify source installation instructions for windows
* Odoo installation from packages or source
* Deployment instructions for production environments
* dbfilter
Add missing support for disabling xmlrpc(/http), useful for WSGI
deployments which require running cron-only Odoo instances.
Antony Lesuisse
Xavier Morel