Add aircraft units' promotions

Fix problem that cannot load mod properly

*2.1 Ver.
Naval melee type takes back auxiliary ship promotion, and little change for naval melee.

Fix problem of Naval Carrier promotion crush

Add Russian Localization

2.0 Ver Change
- Must subscribe "Carriers Perfected" Mod (for changing naval carrier unit how to get exp)
- Add promotions to naval units
- Change some promotions of land units

Make English as Base Text. Still support Korean and English only.