Open Stack

Hi, I'd like you to take a look at this patch for potential
DocImpact.
https://review.openstack.org/28900

Log:
commit 230269c79feb76756d61887a910198e8c307761a
Author: Rerngvit Yanggratoke <rerngvit at kth.se>
Date:   Wed May 15 07:56:15 2013 +0000

    Adds utilization based scheduling
    
    Adds scheduler filters and weighers that exploit the added stats.
    
    DocImpact
    Implements: blueprint utilization-based-scheduling
    
    Change-Id: I7812feecc90a1936d9a4267d7192b65ac5c47980