Update game

Increased damage from aircraft and artillery to aircraft and artillery.
Reversed specialization Zoldania and Kingdom of Greendagar. (logical error in the campaign)
Fix technical name of country in window with end of battle.
Fix the opportunity to start the next campaign after the defeat.
Fix bag with endless spam of units.
Fix event window locations.
Fix the game freezes when troops retreat from the penultimate cell of the edge of the map.
Fix visual bug of displaying a captured unit on the board.