Use docbook properties in basic install guide.

* .../manuals.yaml(openstack-basic-install): Pass the docbook
properties from the environment as parameters on the Maven command
line.

Change-Id: I8f21d8fa684145da5dcb8cb8beb094d51f9d328d
Reviewed-on: https://review.openstack.org/26848
Reviewed-by: Anne Gentle <anne@openstack.org>
Reviewed-by: James E. Blair <corvus@inaugust.com>
Reviewed-by: Khai Do <zaro0508@gmail.com>
Approved: Clark Boylan <clark.boylan@gmail.com>
Reviewed-by: Clark Boylan <clark.boylan@gmail.com>
Tested-by: Jenkins