Added steady price for selling planes
Added steady price for selling planes

Planes on NLU server are expensive. Selling planes from the abandoned
plane mission could make people millionaires.

ancientevil/ArmA3_Wasteland.Chernarus,LouDnl/ArmA3_Wasteland.Altis,ancientevil/ArmA3_Wasteland.Altis,ancientevil/ArmA3_Wasteland.Chernarus,ancientevil/ArmA3_Wasteland.Stratis,LouDnl/ArmA3_Wasteland.Altis,ancientevil/ArmA3_Wasteland.Stratis,ancientevil/ArmA3_Wasteland.Altis,ancientevil/ArmA3_Wasteland.Chernarus,ancientevil/ArmA3wastelandhardcore.altis,LouDnl/ArmA3_Wasteland.Altis,ancientevil/ArmA3wastelandhardcore.altis,ancientevil/ArmA3_Wasteland.Altis,ancientevil/ArmA3wastelandhardcore.altis