Use Accepted status for all async jobs
Remove obsolete update overrides
Add scala -> django interaction for updating feed
Readd OSM update override
Use DRF HTTP status codes rather than httplib
Merge pull request #364 from WorldBank-Transport/feature/async-import-job

Allow status updates for GTFS import async job
Fix django GTFS tests
Merge pull request #365 from WorldBank-Transport/feature/fix-django-tests

Fix django GTFS tests
depend on spray-testkit
small refactor to TestDB, create not used
fix: normalize periods so the DB import tests pass
fix: assume test data is in LatLong to conform to DB schema
added: sudo user for scripts in configurations and createDatabase/deleteDatabase in DatabaseInterface
add: TestDatabaseFixture that implements DatabaseInterface for tests
split the Service trait from the Actor, allows for testing
code shuffler, place messages in Route
move JsonFormat object out of the routes file, to resolve implicit resolution problem
implement sample route test
fix: CreateScenario needs argument to create DB
fix: need to check for special db names on create