feat(rackspace): add heat support
feat(rackspace): add heat support

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