Features and improvements
- Update map style and light configuration based on the Mapbox v3 style specification
- Add fog and adjust sky atmosphere color
- Set time zone based on initial centerpoint of map
- Improve GTFS and GTFS Realtime loading process
- Apply route color to GTFS vehicle timetable and highlight route when the vehicle is being marked or tracked
- Display departure times for GTFS vehicles
- Load GTFS and GTFS Realtime feeds using multiple workers
- Update operator list in about panel
- Separate asset files from data directory