Fix imports and remove lint
Add some TODO statements
Fix species fields in models.py
Fix MergeTest
Fix test setup to (mostly) work with OTM2 models and instances
Convert from using .save() -> .save_with_user()
Remove "present" flag from model instantiation
Remove validation for alternate code.

There is no analogue to this field in OTM2
Add instance parameter to views, add instance field to ImportEvent

Also switches to get_object_or_404(...) for most .get(...) lookups
Skip test failing due to new-line character in un-quoted field
Skip *most* SpeciesIntegrationTests
Remove/Rename fields that have changed in OTM2
Reuse GEOM_OUT_OF_BOUNDS error for plot outside of instance (models.py)
Fix validate_proximity to use subquery (models.py)
fix TreeIntegrationTests.test_faulty_data1
Fix SRID issues - OTM1 used Lat/Lng, OTM2 uses Web Mercator
WIP remove null=True from Species fields