Update CHANGELOG based on recent work.
Update CHANGELOG based on recent work.

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