v1.6.0

Commits

• c1e51fc: Made user aware of Bridgehead in README (DavidCroftDKFZ)
• e1e8999: Moved Collection* to top-level model package, because they are not just used in directory (DavidCroftDKFZ)
• 1c0265b: Fixes suggested by IntelliJ "Inspect Code" (David Croft)
• 8c719e0: Made missing diagnosis detection in fact tables more informative (David Croft)
• 0002293: Re-added the getters needed by unit tests (David Croft)
• 47696bd: Inserted some data sanity checks for disease in fact tables (David Croft)
• 51de10f: Extended the import possibilities from the Directory (David Croft)
• b25d579: Made metadata import from Directory optional via environment variables (David Croft)
• d723a57: Documented new import functionality in README (David Croft)
• 9b1ba28: Version bump (new import functionality) (David Croft)