Updated openstack/openstack
Project: openstack/python-openstackclient  a9670b4cf0d2f8e98e62c25e6379311ef66ea01b

Add more session/api examples

* examples/object_api.py - Example of using the Object_Store API
* examples/osc-lib.py - Minimal client to use ClientManager as a library

Also add matching functional tests

Change-Id: I4243a21141a821420951d4b6352d41029cdcccbc