Deleted compiled classes
Added support for arenas

These classes will be used to handle different arenas for this game.
Expanded code for cannons

Added a class to load all cannons. Also added some signatures for
future use.
Added a simple listener

This listener should be used to fire the cannons.
Added first parts of IGame implementation

First differences between player and spectator are getting visible.
Added CannonFighter

This class should manage the players ingame money, his individual
cannon upgrades and his choosen weapons.

Also updated a bit in the CannonFight class.