Travis tweaks
Travis tweaks

Hermanverschooten/powerdns-on-rails,kennethkalmer/powerdns-on-rails,Hermanverschooten/powerdns-on-rails,jfqd/powerdns-on-rails,kennethkalmer/powerdns-on-rails,Hermanverschooten/powerdns-on-rails,kennethkalmer/powerdns-on-rails,kennethkalmer/powerdns-on-rails,Hermanverschooten/powerdns-on-rails,kennethkalmer/powerdns-on-rails,jfqd/powerdns-on-rails,jfqd/powerdns-on-rails,jfqd/powerdns-on-rails,Hermanverschooten/powerdns-on-rails