Moves Attack, Armament, Move, Air traits and activities as well as anything required by them to Mods.Common.

Extracts Exit from Production into its own trait.

OpenRA.Mods.RA/EjectOnDeath.cs

@@ -8,6 +8,7 @@
  */
 #endregion
 
+using OpenRA.Mods.Common.Traits;
 using OpenRA.Mods.RA.Effects;
 using OpenRA.Primitives;
 using OpenRA.Traits;