[all] Issue 17 fixed (lowercase is now the default)

[all] Issue 28 fixed (10 beeps on countdown during the last 10 seconds)
[all] Issue 37 fixed (Pwr+) added
[all] Issue 39 fixed (Potscroll too slow)
[Taranis] Bug with delays on 3 states switches
[Taranis/sky9x/gruvin9x] Date & Time not always saved

src/lcd.cpp

@@ -1042,6 +1042,7 @@ void putsTelemetryChannel(xcoord_t x, uint8_t y, uint8_t channel, lcdint_t val,
       break;
 
     case TELEM_POWER-1:
+    case TELEM_MAX_POWER-1:
       putsTelemetryValue(x, y, val, UNIT_WATTS, att);
       break;