Init number preference UI elements with the default value.
Allow ignorezoom for background also for non-repeat images.
Add a default attribute for the player node of the tjger file.
Preliminary change of AI algorithms to prevent NPE.
Make main menu button (resume) disable with image.
Make game manager static in main frame and remove dependency from manager to frame.
Make action buttons zoom dependent, add touch functionality to Schnapsen.
Fix division by zero bug.
Add standard functionality for touch wiping.
Adapt menu file.