Update podman to v1.0.0

[tstromberg]

It's out: https://podman.io/

It will require updating podman.mk, podman.hash, and going through https://github.com/kubernetes/minikube/blob/master/docs/contributors/minikube_iso.md

[afbjorklund]

Some of the required steps were done in the podman PR: #2757

[phoenixking25]

I got the idea that for this there would be changes first to change the version in podman.mk to v1.0.0 and another to change hash, but can anyone help me in how to get new hash to update.

[afbjorklund]

@phoenixking25 : will make a PR for this shortly (it needs some other fixes too), but basically sha256sum.

[afbjorklund]

Also need a better place to store the default registries, probably was not a good idea to include them in crio.

WARN[0000] unable to find /etc/containers/registries.conf. some podman (image shortnames) commands may be limited

Maybe we should add a "containers-common", or perhaps generate it at run-time like with crictl.yaml ?

[registries.search]
registries = ['docker.io']

[registries.insecure]
registries = []

[afbjorklund]

Scratch that, might as well keep the registries.conf with the already existing policy.json file.