Move 20171014-20180218 update rules to subfolder

Also synced order of appearance with order they're applied in when running the full update path.

OpenRA.Mods.Common/UpdateRules/Rules/20171014/RenameBurstDelay.cs

@@ -0,0 +1,37 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2018 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, either version 3 of
+ * the License, or (at your option) any later version. For more
+ * information, see COPYING.
+ */
+#endregion
+
+using System.Collections.Generic;
+
+namespace OpenRA.Mods.Common.UpdateRules.Rules
+{
+	public class RenameBurstDelay : UpdateRule
+	{
+		public override string Name { get { return "BurstDelay was renamed to BurstDelays due to support of multiple values."; } }
+		public override string Description
+		{
+			get
+			{
+				return "It's now possible to set multiple delay values (one for each consecutive burst),\n" +
+					"so the property was renamed to BurstDelays to account for this.";
+			}
+		}
+
+		public override IEnumerable<string> UpdateWeaponNode(ModData modData, MiniYamlNode weaponNode)
+		{
+			var bd = weaponNode.LastChildMatching("BurstDelay");
+			if (bd != null)
+				bd.RenameKey("BurstDelays");
+
+			yield break;
+		}
+	}
+}