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/Scripting/Properties/PlayerProperties.cs

@@ -11,6 +11,7 @@
 using System;
 using System.Linq;
 using Eluant;
+using OpenRA.Mods.Common.Traits;
 using OpenRA.Mods.RA.Traits;
 using OpenRA.Scripting;