Get openstackwatch working using puppet.

Created an openstackwatch puppet manifest in modules/jeepyb.
Created an openstackwatch puppet template in modules/jeepyb.
Added a puppet class in modules/openstack_project/manifests/gerrit.pp.

Change-Id: Id38cda4fdf9feee4f018bc5ccb0ebbf462311061
Reviewed-on: https://review.openstack.org/23584
Reviewed-by: Jeremy Stanley <fungi@yuggoth.org>
Reviewed-by: Paul Belanger <paul.belanger@polybeacon.com>
Reviewed-by: Khai Do <zaro0508@gmail.com>
Reviewed-by: Elizabeth Krumbach <lyz@princessleia.com>
Approved: Jeremy Stanley <fungi@yuggoth.org>
Tested-by: Jenkins