Split mapping in 3 files: add, change, delete

25 fields moved
13 fields split over delete and change
32 more fields moved to add, change and delete
Replace n/a with -

For readibility
Delete subgenus

This term is seldom used and is of little use
Update status of DwC terms
Add applicable resource terms to add-fields
Don't use accessRights
Don't use informationWithheld, dataGeneralizations
Don't use dynamicProperties
Correct typo
Don't use higherGeography

Little value
Don't use island & islandGroup

Will be difficult to obtain from country, location, spot name and
sea/lake
Add countryCode
Add locationAccordingTo
Add geodeticDatum
Don't use georeference Terms

Will be hard to obtain (GPS, added manually, etc.)
locality = divespot + location
Include elevationInMeters

I noticed altitude information can be provided in meters, so it makes
sense to include these fields
Correct format issue