Open Stack

Hi, I'd like you to take a look at this patch for potential
DocImpact.
https://review.openstack.org/21657

Log:
commit bef0220f7424178ff7a627b94888082fbb6e0f4f
Author: Alvaro Lopez Garcia <aloga at ifca.unican.es>
Date:   Mon Jan 21 16:04:37 2013 +0100

    Added upgrade process from Essex to Folsom.
    
    It covers Keystone, Glance, Nova and nova-volume to Cinder upgrade,
    but lacks nova-network to Quantum.
    
    bug #1043032
    DocImpact
    
    Change-Id: I57b351a83ab00eb13871e7780e320c09e31482d9