Open Stack

Hi, I'd like you to take a look at this patch for potential
documentation impact.
https://review.openstack.org/15704

Log:
commit c31bc5111a181868c088f91bcfb18cc47cc6cf58
Author: Chris Behrens <cbehrens at codestud.com>
Date:   Fri Nov 9 02:48:09 2012 +0000

    Refactor scheduling weights.
    
    This makes scheduling weights more plugin-friendly and creates shared
    code that can be used by the host scheduler as well as the future cells
    scheduler.
    
    [stuff about least_cost and deprecating here]
    
    DocImpact
    
    Change-Id: I1e5e5039c299db02f7287f2d33299ebf0b9732ce