Fixed ancient ruins spawning

Possilby fixed Android dev console - requires testing

Fixed Happiness being found as a global stat

Unique builder - trigger conditionals are not a superset of global uniques

Added "Unowned" terrainFilter

By SomeTroglodyte:
- Parse localized numbers correctly 
- Better Validation of Nation colors 

By RobLoach:
- When capturing settlers, fix finding the Worker units with conditionals 
- Add ability to remove policies with ModOptions