The insecure and verify options are broken so that verify always
gets set to True. One problem was that the parsed args not
defaulted so os_cloud_config thinks there was always a command
line specified. The other problem was getattr was called on cloud
config instead of get.
Closes-Bug: #1450855
Change-Id: Ib5f004f51a7453cc8f5a89759e2031ec42e04a30