added example for geonames
added example for geonames

zeke/geokit-rails,jlecour/geokit-rails,kidzui/geokit-rails3,bellycard/geokit-acts-as-mappable,jensb/geokit-rails,geokit/geokit-rails3,geokit/geokit-rails,BlinkerGit/geokit-rails,Spindle-Inc/geokit-rails,globalworks/geokit-rails3