WR209895:  Map Coorinate Transformations.
Overwrite `latitude` and `longitude` fields if `geo_x`, `geo_y` and `coordinate_system` are present.
Update form field classes, add accuracy tooltip.
Fix bug when editing an observation belonging to a user with lots of them that use project fields
Add web interface to perform a bulk upload
Don't perform some post-save tasks during a bulk import
Add mail actions for bulk import
Custom DelayedJob task for the bulk upload functionality.
Fix bug when using the NZOR for lookup
Fix placement of geoprivacy field
Fix list type example display
Comment out bad observation field query as it doesn't appear to be in use.
Add a row count for better error reporting
Fix bug when emailing an error
Adjust observation field loading to match current iNaturalist codebase
Fix bug in loading of observation fields
Fix another bug in loading of observation fields
Apply observation field loading fix from iNaturalist
Fix bug in mailing of success/error and remove debug code
Move success email delivery and fix filename display