parameter changes
Print seed at the beginning, too. Closes #121.
Cleaned up visibility in AntAI and HillAI, reordered.
Merge pull request #134 from pwahs/master

AI readjusted after queen was killed
removed Changes.txt since nobody was using it.
added the javadoc again.
Stopped spamming system.out
Statistics view now also works for non-graphical mode.
added toString() for statistics.
added statistic at end of game.
nextPlayerId needs not to be static for batch mode.
setting ANT_COST to 20 which is twice as much as a Gatherer can take.
Removed sugar queue, now random assignment and cooldown instead.
added method nextLong()
Implemented batch mode. But so far there is no total statistics of all
games.
Prints a (neat) results table at the end of a game (series).
closes #60
Tried to modify unmodifiable list. I'm wondering why Java can't detect
it at compile time. Why gives getPlayers() an unmodifiable list anyway?
Destroy display and statistics windows after each game.
closes #99, width, height moved to settings.txt.
Create Display for each game, too, see bb7722da64 ...
bb7722da64a56b9059a241c0debc2a9a655fd22c