Open Stack

Hi, I'd like you to take a look at this patch for potential
DocImpact.
https://review.openstack.org/18462

Log:
commit f686356cb09b27b2ec2edfce845102b94f0fd505
Author: Hans Lindgren <hanlind at kth.se>
Date:   Fri Dec 14 12:02:30 2012 +0100

    Adds utilization based scheduling
    
    Extends state reporting to include up-to-date resource utilization of
    hosts. Adds claims support and stats profiling to resource tracker.
    Adds scheduler filters and weighers that exploit the added stats.
    "DocImpact"
    
    Implements: blueprint utilization-based-scheduling
    Change-Id: Ic47c26e79d36392d16421168bab496d9381989d9