--user should be --user_id, for consistency

If this issue is Confirmed, I'd be happy to fix it.

The problem is that this is a keystoneclient-wide issue -- not just role-list. And, unfortunately, a partial fix would be even more confusing to end-users.

Okay, I'll take a crack at making a keystoneclient-wide fix.

Fix proposed to branch: master
Review: https://review.openstack.org/7252

Fix proposed to branch: master
Review: https://review.openstack.org/7253

The following changes are ready for review:

python-keystoneclient: https://review.openstack.org/#/c/7252/
keystone: https://review.openstack.org/#/c/7253/
devstack: https://review.openstack.org/#/c/7254/

Reviewed: https://review.openstack.org/7252
Committed: http://github.com/openstack/python-keystoneclient/commit/93df552774fdf950fe5c49fafe8a362c15a8919d
Submitter: Jenkins
Branch: master

commit 93df552774fdf950fe5c49fafe8a362c15a8919d
Author: Everett Toews <email address hidden>
Date: Tue May 8 21:58:24 2012 +0000

    Change --user to --user_id and --role to --role_id in the keystone client for consistency.

    Also changed an out-of-place tenant to tenant_id and removed unnecessary nargs in do_user_list.

    Fixes bug 994744.

    Change-Id: I418c07c8523f40822ca3251e85cd630ec877b45f

Reviewed: https://review.openstack.org/7253
Committed: http://github.com/openstack/keystone/commit/2ee73cca0180976270f05ea46374e0fef38ff513
Submitter: Jenkins
Branch: master

commit 2ee73cca0180976270f05ea46374e0fef38ff513
Author: Everett Toews <email address hidden>
Date: Tue May 8 22:02:57 2012 +0000

    Changed arguments in keystone CLI for consistency.

    Changed --user to --user_id and --role to --role_id in the keystone client for
    consistency. Need to update keystone calls here.

    This change should be applied after [bug/994744 b7fe11c] in
    python-keystoneclient.

    Fixes bug 994744.

    Change-Id: I234c1d46c0d92a6a00ebb25c5dfbba69cd46be52