* Radio init / masstorage start / massstorage end / shutdown sequences reordering:
- More traces
- Fixes#3642
- Reuses idea of #3662
Still not finished and completely untested
* More traces
* Compilation fix
* Reuses the idea of #3652
* Alarms were checked 2 times on massstorage end
- keys beep and haptic refactoring (not anymore audio events)
- trims move/mid/min/max refactoring (trim end splitted to trim min / trim max)
- S6R new alarms
- S6R servos/rx status displayed as a text (not an integer which has no sense)
- Timer countdown configuration
- The splash was not displayed (but the timeout was there) after the first calibration