Need to compare on server object not list

    TASK: [create test controller 0] **********************************************
    failed: [127.0.0.1] => {"failed": true, "parsed": false}
    invalid output was: Traceback (most recent call last):
      File "/Users/jdewey/.ansible/tmp/ansible-1383197329.62-262790004573235/nova_compute", line 1203, in <module>
        main()
      File "/Users/jdewey/.ansible/tmp/ansible-1383197329.62-262790004573235/nova_compute", line 261, in main
        _get_server_state(module, nova)
      File "/Users/jdewey/.ansible/tmp/ansible-1383197329.62-262790004573235/nova_compute", line 197, in _get_server_state
        if server.status != 'ACTIVE':
    AttributeError: 'list' object has no attribute 'status'
Merge pull request #4740 from retr0h/return-server-object-not-list

Need to compare on server object not list