remove the /openerp/* routes, they were never used because the protocol was too
different from the historical /xmlrpc/ routes. Instead we introduce a
/xmlrpc/2/ route identical to /xmlrpc/ with the only difference that it returns
int faultCodes making it compliant with the XML-RPC specification.
bzr revid: al@openerp.com-20131006102131-707kxc9zyd1mvlps