added:
- X01: unlimited undo
- X01: display of suddendeath rounds left, if suddendeath is activated

fixed:
- main menu: layout of playername in landscape mode was not centered
- CRICKET: safety question after the last input was not shown
- SET/LEG: overview at end of game displayed unneeded textviews
- ROUNDtCLOCK: layout of "dart-count-points" was always in the middle of the screen and could interfere playername