Rise of Mankind: A New Dawn Code

- Add AI logic for building carriers and missile carriers
- Fixed some wrong AI air unit definitions
- Reverted some AI pathfinding changes.
- Fix the endless AI grouping with xUPT when there is too much units.
- UI: Removed top spires
- Increased the minimal barbarian emergence city size from 3 to 5 (less but stronger emergences)
- New installer translations: Arabic, Brazilian, Bulgarian, Czech, Danish, Greek, Portuguese and Russian. Thanks to the respective teams :)