Minor Description
The OAK-3844 fixes the way in which the oak-upgrade migrates the mix:versionable nodes without version history, by displaying a warning and removing the mixin.
There's a related case, in which the node without the version history isn't explicitly declared as mix:versionable, but the jcr:primaryType or one of the mixins inherits from the mix:versionable. In this case we can't simply remove the mixin. We should display a warning and create an empty version history.
