Ressurect the cloudformation stack export feature which seems accidentaly removed in https://github.com/colhom/coreos-kubernetes/commit/08e5fdaae71722f4d3ed1139e641d619661cc171#diff-89941589ef70f60ccf4a572f6885ef6a
Ressurect the cloudformation stack export feature which seems accidentaly removed in https://github.com/colhom/coreos-kubernetes/commit/08e5fdaae71722f4d3ed1139e641d619661cc171#diff-89941589ef70f60ccf4a572f6885ef6a

kubernetes-incubator/kube-aws,HotelsDotCom/kube-aws,AlmogBaku/kube-aws,danielfm/kube-aws,AlmogBaku/kube-aws,danielfm/kube-aws,iflix-letsplay/kube-aws,everpeace/kube-aws,camilb/kube-aws,kubernetes-incubator/kube-aws,HotelsDotCom/kube-aws,everpeace/kube-aws,iflix-letsplay/kube-aws,mumoshu/kube-aws,camilb/kube-aws,c-knowles/kube-aws,c-knowles/kube-aws,mumoshu/kube-aws