packaging: setup: create osinfo windows product keys from db

This patch introduces a script that pulls ProductKey* values from db to
osinfo repository on engine-setup (as the db values are no longer used).

Change-Id: I876894e7ba5fcd28ee0d435b4a2561f662140174
Bug-Url: https://bugzilla.redhat.com/1012330
Signed-off-by: Frantisek Kobzik <fkobzik@redhat.com>