Fix WorldPay AVS settings to work with non-(US|UK|CA)

WP AVS settings were giving 50 pts for address match not performed
and another 50 pts for zip match not performed, leading to donations
from anywhere with no address fields failing the antifraud check.

Change-Id: Ia7db5a1120b1dff6b4c2894a96b4889e8c81adad
Merge "Fix WorldPay AVS settings to work with non-(US|UK|CA)"