Moves XNA 4 files for Github migration.

Plan B Html Parser/Nodes/HtmlBrNode.cs

@@ -0,0 +1,30 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace PlanB.Html.Nodes
+{
+    public class HtmlBrNode: HtmlNode
+    {
+        public override string ToString()
+        {
+            return Environment.NewLine;
+        }
+
+        public HtmlBrNode()
+        {
+            Type = HtmlNodeType.Br;
+        }
+
+        public override string TagName
+        {
+            get { return StaticTagName; }
+        }
+
+        public static string StaticTagName
+        {
+            get { return "br"; }
+        }
+    }
+}