Updated openstack/openstack
Project: openstack/nova  0de9ebef3adcd3ebf570e581880ad85d3c4a7caa
null
Rename _get_vm_state to _get_vm_status

The method is actually used to get the server's "status", so rename it
to better reflect function.

Change-Id: Ie4b0a1c76c81f6d08250a1cfd594429ef9eaf5ae