Remove incompatible improvements in progress upon changing terrain

By EmperorPinguin:
- AI: choose favoredReligion more often 
- AI: build settlers also when at war 

Modding: Add city context to turn start & end uniques from buildings - By SeventhM

By RobLoach:
- Fix removed favored Religions 
- Minor Civilopedia UX Improvements 
- Flip Defensive Pact opinion comparision 

Console: 'unit activatetrigger'  - By SomeTroglodyte