make keyName a const; check key is on server
make keyName a const; check key is on server

jarosser06/gophercloud,trumant/gophercloud,larsbutler/gophercloud,feiskyer/gophercloud,carolynvs/gophercloud,sti-jans/gophercloud,jamiehannaford/gophercloud,dudymas/gophercloud,rgbkrk/gophercloud,rackspace/gophercloud,feiskyer/gophercloud,pratikmallya/gophercloud,dudymas/gophercloud,clintonskitson/gophercloud,timbyr/gophercloud,pratikmallya/gophercloud,jamiehannaford/gophercloud,DSpeichert/gophercloud,timbyr/gophercloud,carolynvs/gophercloud,clintonskitson/gophercloud,DSpeichert/gophercloud,rgbkrk/gophercloud,trumant/gophercloud,sti-jans/gophercloud,larsbutler/gophercloud,jarosser06/gophercloud,rackspace/gophercloud