Open Stack

Hi, I'd like you to take a look at this patch for potential
DocImpact.
https://review.openstack.org/20476

Log:
commit 4a05682f5a4a3a583ba992c6aee7041c38c67045
Author: Alexander Pugachev <apugachev at griddynamics.com>
Date:   Fri Jan 25 16:11:41 2013 +0200

    Adds list of users with a role in a tenant
    
    Added list_users_with_role_in_tenant() to sql, kvs and ldap
    identity backends. Added processing of GET arguments 'role' and
    'tenant' to controllers. Supplied test for backends.
    
    Change-Id: I68fa73b3baeda021ac72ef010b5b9ac37e09b6fe
    Fixes: bug #1070544
    DocImpact