We should have a discussion whether it makes sense to move ocitools into the runtime-spec repo. As a plus, it would give the tools more visibility and make it easier to keep in sync with the runtime-spec. It would also potentially simplify the project structure by merging it into one project (instead of having two)

FYI: the tooling for testing the image-spec currently lives in the same repo:
https://github.com/opencontainers/image-spec/tree/master/cmd/oci-image-tool