Slovenian icons added

Yugoslav rework
Updated anti-aircraft artillery 3 for Argentina
Amphibious 1 and 2 for Brazil (why? Because of a commission, 50 cents per icon, any takers?

hotfix for some czech and slovak artillery names

Czech and Slovak icons added

New additions:
- Armoured cars, mechanised and motorised for Haiti and Dominica
- Artillery for Cuba, Dominica, Haiti and Costa Rica
- Artillery 2 and 3, Anti-aircraft 1, 2 and 3, Anti-tank 2 and 3 for Bolivia
- Artillery 3, Anti-tank 3 and Anti-aircraft 3 for Ecuador
- Anti-aircraft 2, Anti-tank 2 and 3 for Denmark

Changes:
- Artillery 2 and 3 for the Netherlands
- Artillery 2 for the Dutch East Indies

Lifting:
- All icons for Thailand
- Vehicle icons for Cuba
- Artillery icons for Denmark (vehicles and guns coming soon)
- Argentinian artillery 2
- Greek artillery 2
- Lithuanian artillery 2
- French artillery 2

- Few Chinese icons were reworked and a few new ones got added.
- A lot of codding to make icons work in KR.
- All US releasables (Hawaii and Puerto Rico) and Civil War factions now have icons.
- KR US civil war compatibility (New England using mostly Canadian icons)

Reworked a few Soviet Icons and added a lot of code to make more icons compatible with KR