Morpho

I removed this window from the save workflow because it seemed like there was no logical question to ask the user - if you are saving the datapackage it is a new revision, not a new datapackage (you can use the "duplicate" feature if you want a new one). We did away with the notion of the identifiers encoding the revision history, so there's only one thing to do: generate a new identifier for the new revision and use it. The only thing I think we could do is ask what kind of identifier we want to generate (UUID, DOI, ARK...).