Change CLIAuth arg names

[Dean Troyer]

Change the argument names used for common Keystone authentication per the updated http://wiki.openstack.org/CLIAuth:

  --auth_url -> --os_auth_url
  --password -> --os_password
  --username -> --os_username
  --tenant_id -> os_tenant_id
  --tenant_name -> os_tenant_name

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/5324

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/5324
Committed: http://github.com/openstack/python-novaclient/commit/cc72d6dfe2bcc8977932c6f76ce6d0de30ee04ee
Submitter: Jenkins
Branch: master

commit cc72d6dfe2bcc8977932c6f76ce6d0de30ee04ee
Author: Dean Troyer <email address hidden>
Date: Tue Mar 13 22:30:52 2012 -0500

    Change CLIAuth arg names

    Change the argument names used for common Keystone authentication per the
    updated http://wiki.openstack.org/CLIAuth:

    --auth_url -> --os_auth_url
    --password -> --os_password
    --username -> --os_username
    --tenant_name -> os_tenant_name
    --region_name -> os_region_name

    All old args are depricated but available for backward compatibility.

    Fixes bug 954531

    Change-Id: Ic67c447e4e4b8d793f587c789cecd149446194f3