AIs no longer stop creating cities late-game

Add nation and capital city indicators in spy management

Workers try to stay spread out - By Ambeco

By SomeTroglodyte:
- Show modifiers properly for improvement maintenance 
- Fix translation generation for Comment nesting typed uniques 

By unciv-loof:
- Prevent AI from denouncing defeated civs 
- Do not display (Unknown) after Civ name in MP metadata preview 

Fix Educated Elite policy not gifting Great People - By AutumnPizazz