Updated openstack/openstack
Project: openstack-dev/devstack  affc467f2a9e736178448fd798b3d194c3cb2b78
null
Fix typo in nova_admin_username

The last parameter is unneeded, the value is always
set to "nova".

Change-Id: I7167d3559e8dfdb51ac8264e274f7ba167c18dfe