ironicclient doesn't support option --os-endpoint

[jiangfei]

ironic --os-auth-token d7de11bba5984badb3e25533afec6ae6 --os-endpoint http://127.0.0.1:6385 node-list

You must provide a username via either --os-username or via env[OS_USERNAME]

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/152765

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/152765
Committed: https://git.openstack.org/cgit/openstack/python-ironicclient/commit/?id=9201d3896c8f0a7bcd5c69733133296659cdc0db
Submitter: Jenkins
Branch: master

commit 9201d3896c8f0a7bcd5c69733133296659cdc0db
Author: jiangfei <email address hidden>
Date: Wed Feb 4 11:29:32 2015 +0800

    cli support --os-endpoint

    ironicclient not support --os-enpoint:
    ironic --os-auth-token d7de11bba5984badb3e25533afec6ae6
    --os-endpoint http://127.0.0.1:6385 node-list

    You must provide a username via either --os-username or via
    env[OS_USERNAME]

    Change-Id: I374203559c1636143bb3326d41bd230b7b4f79ec
    Closes-Bug: #1417406