Capture the Flag v0.0.5

• Added new skill and stat system:
  --- Characters now have easy-to-read skills that are all on the same scale.
  --- These skills will affect different stats, which are the values that define how characters behave.
  --- Added new UI panel to show skills and new UI window to see all stats and how they are calculated.
• Added new type of how characters can spawn at the start of the game: Spread across full own territory:
  --- Spawn type can now be selected in lobby
• Reworked how player entities (flag / character / zones) are generally created for a match:
  --- Characters will now no longer spawn in closed off spaces
• Added a countdown before a turn starts in multiplayer
• Increased transparency for last known positions
• Added map descriptions that are now visible in lobby
• Fix: Game crashes in singleplayer when the AI doesn't find valid paths
• Fix: Can't move to nodes that get explored after opening a door