Make it easier to run in place.

Without installing.

Change-Id: I63f322178aacef51b559cc04899d8dec7c67a219
Reviewed-on: https://review.openstack.org/28613
Reviewed-by: Khai Do <zaro0508@gmail.com>
Reviewed-by: Monty Taylor <mordred@inaugust.com>
Reviewed-by: Antoine Musso <hashar@free.fr>
Approved: Clark Boylan <clark.boylan@gmail.com>
Reviewed-by: Clark Boylan <clark.boylan@gmail.com>
Tested-by: Jenkins