Add DisguiseAs and DisguiseAsType functions to lua

OpenRA.Mods.RA/Scripting/Properties/DisguiseProperties.cs

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+#region Copyright & License Information
+/*
+ * Copyright 2007-2015 The OpenRA Developers (see AUTHORS)
+ * This file is part of OpenRA, which is free software. It is made
+ * available to you under the terms of the GNU General Public License
+ * as published by the Free Software Foundation. For more information,
+ * see COPYING.
+ */
+#endregion
+
+using System.Linq;
+using OpenRA.Mods.RA.Traits;
+using OpenRA.Scripting;
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.RA.Scripting
+{
+	[ScriptPropertyGroup("Ability")]
+	public class DisguiseProperties : ScriptActorProperties, Requires<DisguiseInfo>
+	{
+		readonly Disguise disguise;
+
+		public DisguiseProperties(ScriptContext context, Actor self)
+			: base(context, self)
+		{
+			disguise = Self.Trait<Disguise>();
+		}
+
+		[Desc("Disguises as the target actor.")]
+		public void DisguiseAs(Actor target)
+		{
+			disguise.DisguiseAs(target);
+		}
+
+		[Desc("Disguises as the target type with the specified owner.")]
+		public void DisguiseAsType(string actorType, Player newOwner)
+		{
+			var actorInfo = Self.World.Map.Rules.Actors[actorType];
+			disguise.DisguiseAs(actorInfo, newOwner);
+		}
+	}
+}