Open Stack

Hi, I'd like you to take a look at this patch for potential
DocImpact.
https://review.openstack.org/28162

Log:
commit b889430342d4a58dc5d5a5f02424466b0814cb0a
Author: Swann Croiset <swann.croiset at bull.net>
Date:   Mon Apr 29 16:42:32 2013 +0200

    Measurements documentation update
    
    Nova measurements:
    - add cpu_util
    - del disk.io.requests, disk.io.bytes
    - add instance unit to instance:*
    
    +fix some errors on type and unit
    
    for all measurements add new column 'Origin' :
    notification|pollster|both
    
    tag : DocImpact
    Fixes: bug #1164032
    
    Change-Id: I0046032b8835168772fc7fff6c34a9be99ddbd56
    (cherry picked from commit 6f7efd1efedbc4baa7c2263d1536a985f0895fc0)