Updated openstack/openstack
Project: openstack/neutron  1162ffc709918aa7e12db684c8fc754c365fe988

Moved rpc_compat.py code back into rpc.py

Most of this code will probably stay with us for quite some time, so
let's make things easier and consider them as our way of doing RPC.

blueprint oslo-messaging

Change-Id: Iaf353b23f9c54b82d1e02a6bd5a5960cec827c88