Resolved  - badly configured era conditional no longer causes crashes

Remove "does not support server feature set" error for uncivserver.xyz

Trigger resource recalculation upon gaining a unit that requires resources

Guard against '><' causing translation recursion

By SomeTroglodyte:
- More reapply CityFocus on yield changes 
- Allow image overlay and changing world wrap in map editor 
- Small File Chooser and Separator fixes 
- Upgrading from Unit overview improved 

More efficient use of the charts space  - By JackRainy