Open Stack

Hi, I'd like you to take a look at this patch for potential
DocImpact.
https://review.openstack.org/30314

Log:
commit 09778ce705105cb4da3e34d319412aa43164636c
Author: Michael Wilson <geekinutah at gmail.com>
Date:   Thu May 23 10:32:55 2013 -0600

    Sync db.sqlachemy module from oslo, to get slave session.
    
    This commit adds two new configuration options:  sql_slave_connection and sql_reads_to_slave.
    
    Implements: blueprint db-slave-handle
    DocImpact
    
    Change-Id: I4553c1838fb073c9eacdb3beb9a8dc9086a7efa9