Resolved  - failure to get preview image no longer causes crash

Modding: Added 'upon adopting [belief]' trigger, allowed belief adoption to trigger uniques

Added turn number to victory replay

Resolved  - clicking locally-added mods no longer crashes

4.6.12-patch1

Mod preview images: Dispose of Pixmap, cache images for later use

By SomeTroglodyte:
- Fix off-by-one error in autoAssignPopulation 
- Fix Ensure Minimum Stats 
- Happiness change from bought buildings can reapply citizen focus 
- Local and/or jpg mod previews 
- Fix UnitTable layout 

By alexban011:
- refactor: break large functions into smaller ones 
- fix: fixed translation text 
- Fixed more warnings 
- deps: bump kotlin version