updates smarty streets api key requirements
updates smarty streets api key requirements

brian-ewell/geocoder,gogovan/geocoder-olleh,3mundi/geocoder,AndyDangerous/geocoder,epyatopal/geocoder,tiramizoo/geocoder,ankane/geocoder,donbobka/geocoder,aceunreal/geocoder,GermanDZ/geocoder,rios1993/geocoder,mveer99/geocoder,tortuba/geocoder,davydovanton/geocoder,mdebo/geocoder,Devetzis/geocoder,sjaveed/geocoder,TrangPham/geocoder,eugenehp/ruby-geocoder,moofish32/geocoder,rayzeller/geocoder,jaigouk/geocoder-olleh,malandrina/geocoder,gogovan/geocoder-olleh,guavapass/geocoder,boone/geocoder,sideci-sample/sideci-sample-geocoder,mehlah/geocoder,FanaHOVA/geocoder,andreamazz/geocoder,jaigouk/geocoder-olleh,StudioMelipone/geocoder,jgrciv/geocoder,alexreisner/geocoder,rdlugosz/geocoder