Merge upstream EE API changes.
Update an API call name to match upstream update.
Rearrange NDFI methods by privacy. No behavior change.
Merge in upstream API changes.
Factored out the class value constants in ee_bridge.py.
Port some NDFI methods to new API: mapid2, freeze_map, rgbid, rgb0id.
Port NDFI functions to new API: smaid, ndfi0id, ndfi1id, baseline.
Update NDFI commands to use the new EE library;
Remove the old EE "connector" library;
Kill some dead code in ee_bridge.py.