Merge change from openstack-manuals

Merge:
commit ed8fd1c397c6f0360c07e39aea9fe0a073d4f4e1
Author: Gauvain Pocentek <gauvain.pocentek@objectif-libre.com>
Date:   Tue Nov 19 20:32:38 2013 +0100

    Install Guide: add a chapter about client commands

Change-Id: I55997abeec7e6c6bbc8b404bebe23e7cddc912a1
Merge "Merge change from openstack-manuals"