Open Stack

Hi, I'd like you to take a look at this patch for potential
DocImpact.
https://review.openstack.org/16221

Log:
commit dac399910997e81d60b862eec327cbc803f6a63e
Author: Chris Behrens <cbehrens at codestud.com>
Date:   Thu Nov 15 18:08:07 2012 +0000

    Cells: Add filtering and weight support
    
    This adds filtering and weighing support to the cells scheduler.
    
    Adds the following config options to the 'cells' group:
    
    scheduler_filter_classes -- list of filter classes
    scheduler_weight_classes -- list of weight classes
    
    Implements blueprint nova-compute-cells
    
    DocImpact
    
    Change-Id: I027c5734e3d6134127fcd4dd28b8ff39047416dc