Partly revert d3095700, use standard Django for postcode lookup, assume DB nicer now.
Partly revert d3095700, use standard Django for postcode lookup, assume DB nicer now.

Code4SA/mapit,opencorato/mapit,Code4SA/mapit,New-Bamboo/mapit,opencorato/mapit,chris48s/mapit,opencorato/mapit,chris48s/mapit,New-Bamboo/mapit,Code4SA/mapit,Sinar/mapit,chris48s/mapit,Sinar/mapit