identity project list should allow filtering by domain

[Steven Hardy]

Currently it's not possible to filter projects by domain when using the v3 identity client, which is inconvenient if you're working in a multi domain environment.

The underlying python API in keystoneclient supports filtering by domain, so we should add a --domain option to project list, similar to other v3 project interfaces.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/79040

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/79040
Committed: https://git.openstack.org/cgit/openstack/python-openstackclient/commit/?id=0c0803d363aeae9e8a6eb2cdaf4b5baedee416dc
Submitter: Jenkins
Branch: master

commit 0c0803d363aeae9e8a6eb2cdaf4b5baedee416dc
Author: Steven Hardy <email address hidden>
Date: Fri Mar 7 18:25:41 2014 +0000

    identity v3 allow project list filtering by domain

    The underlying keystoneclient interface allows filtering by domain,
    so support it in the cli interface because it makes project list
    much nicer to use in a multi-domain deployment.

    Change-Id: If3f5cf1205c1e9cf314f8286a3ae81bda4456b8f
    Closes-Bug: #1289513