Fixed winner-message.
Fixed restart of tic-tac-toe, easier exit on finished game.
Disable joker-buttons when they are not available.
Changed player-selection in tic-tac-toe.
Improvement to player-selection.
Merge branch 'develop' of github.com:Vocaluxe/Vocaluxe into develop
Merge branch 'develop' of github.com:Vocaluxe/Vocaluxe into develop
Merge branch 'develop' of github.com:Vocaluxe/Vocaluxe into develop
Fix assign duets.
Fixed auto-assign of duet-parts in screen-names.
Merge branch 'develop' of git://github.com/flokuep/Vocaluxe into develop