Acknowlege git.o.o as OpenStack's git server
Acknowlege git.o.o as OpenStack's git server

OpenStack's cannonical git server is at git.o.o this patch
updates the index.rst to reflect that.

Change-Id: I54eeea7fab2e0f64ca9f23f7c328e2ff19721a41

openstack/python-openstackclient,BjoernT/python-openstackclient,dtroyer/python-openstackclient,BjoernT/python-openstackclient,varunarya10/python-openstackclient,varunarya10/python-openstackclient,redhat-openstack/python-openstackclient,dtroyer/python-openstackclient,redhat-openstack/python-openstackclient,openstack/python-openstackclient