Updated openstack/openstack
Project: openstack/nova  8a23aad0b47a14c12e592da11d5b5c6813add95b

cmd: add nova-serialproxy service

Adds a websocket proxy that is compatible with Nova
serial ports.

Co-Authored-By: Vladan Popovic <vpopovic@redhat.com>
Co-Authored-By: Ian Wells <iawells@cisco.com>
Co-Authored-By: Sushma Korati <sushma_korati@persistent.co.in>

Partial-Implements: blueprint serial-ports
Change-Id: Ia944cb93945140e6341588063329a981f7e778f1