New revision from old format version.
New revision from old format version.

refs #5531

Added a helper function for using old versions to create new versions:
"get_current_revision_using_ancestor". Added the ability to create new
version from old format version revisions.

artefactual/archivematica-fpr-admin,artefactual/archivematica-fpr-admin,artefactual/archivematica-fpr-admin,artefactual/archivematica-fpr-admin