change 'Emplacement' sign-in dropdown to incude the entire Sites list
make small alterations to registration form view, including date of birth.
attempt to see DepartureReason table with csvin resources folder; modify trajectory view to add departure_reason
Fix departure reason seeding
- Add DepartureReason class
Merge pull request #26 from KrishnaKulkarni/create-displacement-reasons-FIXED

Create displacement reasons FIXED