Refactoring to remove static Rules & SequenceProvider

OpenRA.Mods.RA/Widgets/ObserverProductionIconsWidget.cs

@@ -1,6 +1,6 @@
 #region Copyright & License Information
 /*
- * Copyright 2007-2012 The OpenRA Developers (see AUTHORS)
+ * Copyright 2007-2014 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,
@@ -21,8 +21,8 @@ namespace OpenRA.Mods.RA.Widgets
 	public class ObserverProductionIconsWidget : Widget
 	{
 		public Func<Player> GetPlayer;
-		World world;
-		WorldRenderer worldRenderer;
+		readonly World world;
+		readonly WorldRenderer worldRenderer;
 		Dictionary<ProductionQueue, Animation> clocks;
 
 		public int IconWidth = 32;