Open Stack

Hi, I'd like you to take a look at this patch for potential
DocImpact.
https://review.openstack.org/28308

Log:
commit a65bae54758a6f2e4895d8e715f5193838f89eff
Author: Rerngvit Yanggratoke <rerngvit 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: Ic9578fe7b59243c63cc5cd090b6bb6ff18b88c53