Add config file for Travis
Add config file for Travis

RichardKnop/digitalmarketplace-search-api,RichardKnop/digitalmarketplace-search-api,alphagov/digitalmarketplace-search-api,alphagov/digitalmarketplace-search-api,RichardKnop/digitalmarketplace-search-api,RichardKnop/digitalmarketplace-search-api