Update to current metafacture-core dependency

- Depend on SNAPSHOT, clone and install as part of the build
- Update `flux-commands.properties` with lobid.org additions
- Use `filemap` instead of `mapfile` in morph file
- Improve triple test comparison to debug morph issue
- Add basic test for the ZVDD `collection` transformation
- Additional tests for ZVDD `print` and `digital` transformations
- Update and fix morph files for changed `regexp` function