Add Postgresql to CI and Packaging nodes

This module will add pgsql to CI - and Packaging nodes.

Change-Id: Ic31c1c8be92e321e9e75f55c5c4c0aec5169841c
Reviewed-by: Sergio Ahumada <sergio.ahumada@digia.com>
Reviewed-by: Janne Anttila <janne.anttila@digia.com>