Open Stack

Hi, I'd like you to take a look at this patch for potential
SecurityImpact.
https://review.openstack.org/207141

Log:
commit cb6397064681d9f55ec91a05d6c6f728dcf0c5cf
Author: Matthew Edmonds <edmondsw at us.ibm.com>
Date:   Wed Jul 29 13:45:23 2015 -0400

    Events RBAC via Policy
    
    OpenStack needs to support granular, customizable Role-Based Access
    Control (RBAC) for ceilometer events. Policy should be dependent on
    policy.json rather than simply hard-coded.
    
    APIImpact
    SecurityImpact
    UpgradeImpact
    
    Change-Id: Id25d154eac90e14c5501f806e81e04a059f5a836