Add listeners from the DroomsGame for @psiroky.
Player positions on the playground now identified with '@'.
Don't send anything to sysout.
Collectible now also has a location information.
Don't export game properties outside DefaultGame.
Separate tournament launcher.
Remove unused warning supress.
Separate DroomsGame into its own launcher.
commons-cli only in launchers.
Freemarker only in tournaments.
commons-math only in tournaments.
Bits of other cleanup in game-impl.
Don't leak playground implementation.
jar-with-dependencies -> shaded jar
Remove  dependency on collections15, which was on the classpath only
accidentally anyway.
Fix log4j dependencies.
Don't minimize any JARs, it only causes dependency problems.
Some global shade configuration.
Clean and update .gitignore
Add logging support for swing gui