Update for OpenTx 2.1

[ulope]

On OpenTX 2.1 the display of both scripts is completely garbled

[cemizm]

AnySense Script has not tested with OpenTx 2.1

In 2.1 the screen is not cleared anymore before each run() call. You have to clear the screen manually with:

lcd.clear()

Feel free to modifiy and create pull request.