- i18n of y/n in game.c und misc.c desinitgration
- fonts with special letters
- info file for theme 
- replace swearing
- allow themes to have several 'between level' screens
- udp flooding after game finished
- allow additional weapon graphic/animation planted on top
  of the paddle
- improve pre-calculation of networked ball movement (dummy reflect)
- joystick as input
- shadow surface for zoom
