Open Stack

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

Log:
commit b3a96db2afe6d220faae6de491639fe061d246e8
Author: Rerngvit Yanggratoke <rerngvit at kth.se>
Date:   Sun May 12 01:20:59 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