Updated openstack/openstack
Project: openstack/nova  669afd6a6aeb4dfa10e9647b5f1d1d2dd951a761

XenAPI: Inform XAPI who is connecting to it

XenServer supports an 'originator' being passed to the login function
This originator is very useful in identifying how XAPI is being used
and, when there is a problem, which software package issued which
commands

Change-Id: I003979bb3796e870890e220cf4b046e51581a373