Change release repo to docker.io, add RELEASE and CONFIRM env variables
Change release repo to docker.io, add RELEASE and CONFIRM env variables

projectcalico/calico-docker,projectcalico/calico-docker,Metaswitch/calico-docker,projectcalico/calico-containers,projectcalico/calico-containers,Metaswitch/calico-docker,projectcalico/calico-containers