[IMP] build-image.sh: Add some custom settings to PostgreSQL
requested to merge github/fork/vauxoo-dev/16.04-p3-add_psql_custom_settings_moved-luisg into 16.04-p3
This adds some custom settings that were moved from docker-odoo-image.
See:
https://github.com/Vauxoo/docker-odoo-image/pull/308