tjger - the java game & entertainment rt Code (Desktop)

Rename tjger to "the game & entertainment runtime".

Add null pointer check.

Fix problem when loading game icons, use HGBase file filters.

Add rule whether to move cards when shooting on an empty field.

Update to Java 7.

Update to Java 7.

Update fatjar (exclude JUnit library).

Add a game state adapter with empty implementations for the game state listener.

Update HGBase and tjger to Java 7.

Make use of generics at class factory.