Add WanAddress to SystemInfo

MediaBrowser.Model/System/SystemInfo.cs

@@ -110,6 +110,12 @@ namespace MediaBrowser.Model.System
         /// <value>The HTTP server port number.</value>
         public int HttpServerPortNumber { get; set; }
 
+        /// <summary>
+        /// Gets or sets the wan address.
+        /// </summary>
+        /// <value>The wan address.</value>
+        public string WanAddress { get; set; }
+
         /// <summary>
         /// Initializes a new instance of the <see cref="SystemInfo" /> class.
         /// </summary>