Created ThreatToken, SmokeToken, and FireToken classes. Created game.token package.
Implemented fire tokens. Added functionality for advancing fire to Board. Closes #5
Added right-click functionality to BoardPanel.
Added painters for FireToken and SmokeToken. Other GUI changes for fire.
Merging.
Still trying to figure out git...[B
Refactored tokens, and how they are added to the tokenPaintingManager, and how they are added and removed from the board, as well as how the board stores them. Refactored tokenChangeListener to use a TokenChangeEvent, which encapsulates all information relating to the change. Completed UI functionality relating to fire. Closes #12.
Implemented explosions. Closes #6