Update 2.11: Some improvements and fixes

Hi gamers,

Little update with some improvements and AI hotfix

Cheers,
Helios

- Add: Apocalypse monsters have huge loot
- Add: The army of the dead have big loot
- Improve: Apocalypse monsters health/armor
- Improve: The army of the dead health/armor
- Improve: Faction UI
- Improve: Brightness icons of buildings
- Fix: Rare AI stuck (with specific conditions)
- Fix: Apocalypse monsters might not find target correctly
- Fix: The army of the dead might not find target correctly