Fix:
- Fix check for iOS 9 if external satellite email programs are available for the GRIB Robot.
- Fix disappearing map style button when resizing WeatherTrack with iOS 9 split view multitasking on iPad.
- Better adapt the GRIB display when resizing WeatherTrack with iOS 9 split view multitasking on iPad.
- Avoid repositioning the map in the route editor upon displaying waypoint details.