v4.0.1: OpenTracks

Changes:
- Voice announcements are now configurable
- Fullscreen mode now also hides Android's navigation bar
- Connection to BLE sensors should now be faster
- Allow to reset settings while recording
- Allow to change import/export settings while recording
- KML/KMZ: do not use icons to be loaded from Google

Bugfix:
- TrackStoppedActivity now works on smaller screens
- Requests permissions on track list