trim down license spam in all files

OpenRA.Mods.RA/Chrome/PowerDownButton.cs

@@ -1,7 +1,18 @@
-using System.Linq;
+#region Copyright & License Information
+/*
+ * Copyright 2007-2010 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 LICENSE.
+ */
+#endregion
+
 using OpenRA.Mods.RA.Orders;
 using OpenRA.Traits;
 
+// TODO: Migrate these to be real widgets, and kill all the weird infrastructure that's holding these up.
+
 namespace OpenRA.Mods.RA
 {
 	class PowerDownButtonInfo : TraitInfo<PowerDownButton> { }