Add CloudMade to README.
Add CloudMade to README.

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