Extend game status data type and rework game end handling
Never spawn unneeded clients, but keep connections for both UI and AI
Kill clients at game exit, not game restart
Simplify the type of faction status changing command
Avoid excessive switching between clients for game end screens
Fix ESC not interrupting a slide show
Simplify fadeouts --- KISS
Reveal item identity at game over
Fix a crash when dropping an item from the floor
Refactor to respect the 'file as an interface to directory' convention