Added Control Panel instructions to Rackspace docs
Added Control Panel instructions to Rackspace docs

robszumski/docs,hkjn/docs-1,marineam/coreos-docs,mjg59/docs,bq-xiao/docs,coreos/docs,michelleN/docs,skynet/docs,jonboulle/docs,ionave/docs,wli6/docs,mischief/coreos-docs,iankronquist/docs,endocode/coreos-docs,ksmaheshkumar/docs-2,atxwebs/docs,jdloft/docs,joshix/docs