Gannet Mobile

- added an option for a more robust device management
- persist device ids on app reinstall
- redesigned parts section
- ability to input value totals instead of leg specific values for counters
- scan page: ability to input barcode manually
- pull parts on aircrafts
- default page and airport codes (IATA / ICAO) moved to the settings section
- ability to remove crew from a leg
- ability to remove logs/legs from flights