tjger - the java game & entertainment rt Code (Desktop)

Add graphics as well as sound and improve some behavior.

Improve painting of parts on playing field.

Add one validation rule when moving barrier.

Finish network game, add some rule validations.

Implementation of network transfer, incl. CtbStateData which will probably not be necessary.

Fix bug in game engine caused by automatically changing the first player of a game.

Use SimpleGameState to change first player after each game.

Use SimpleGameState to change first player after each game.

Transform move data into network string.

save and load the game state.