make dlna project portable

MediaBrowser.Model/Net/IpEndPointInfo.cs

@@ -0,0 +1,18 @@
+using System;
+
+namespace MediaBrowser.Model.Net
+{
+    public class IpEndPointInfo
+    {
+        public IpAddressInfo IpAddress { get; set; }
+
+        public int Port { get; set; }
+
+        public override string ToString()
+        {
+            var ipAddresString = IpAddress == null ? string.Empty : IpAddress.ToString();
+
+            return ipAddresString + ":" + this.Port.ToString();
+        }
+    }
+}