Populates plane with flightcrew.

Adds application.conf
Adds FlightAttendant and LeadFlightAttendant actors.
Adds Pilot actor.
Adds PlaneProviderComponent to decouple Pilot and Copilot runtime implementations.
Creates Copilot actor.
Adds Autopilot Stub.
Changes logLevel to get rid of unnecessary test noise.
Merge pull request #12 from jackcviers/locality

Populates plane with flightcrew.