document the various overlay and animation change traits

OpenRA.Mods.RA/Render/WithResources.cs

@@ -1,6 +1,6 @@
 #region Copyright & License Information
 /*
- * Copyright 2007-2013 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,
@@ -13,6 +13,7 @@ using OpenRA.Traits;
 
 namespace OpenRA.Mods.RA.Render
 {
+	[Desc("Displays the fill status of PlayerResources with an extra sprite overlay on the actor.")]
 	class WithResourcesInfo : ITraitInfo, Requires<RenderSimpleInfo>
 	{
 		[Desc("Sequence name to use")]