Removed UI tweak configuration file from version control. It should never have been there. (+1 squashed commit)
Squashed commits:
[4e7b682] We now know which folders are Java source code in Idea.
We can now build the project and run the tests!
Removed obsolete test.
Renamed the project.
[FAILING] How do I call roll()?
I have to add at least one player in order to be allowed to roll().
It would be nice if I didn't have to do that.
I can now check where a player finishes eir turn after rolling the dice.
We discovered that landing on a square results in asking a question.
We also know that not moving the player results in asking a question, which seems strange.
We can roll 11, meaning that the player goes almost around the board.
It's getting boring to check that this causes asking a question.

When does roll() *not* cause the game to ask a question?
We discovered a rule of the game: don't ask a question if the player is in the penalty box and rolls an even number.
Carefully extracted two functions to create a seam.