Initial sketch of the GUI web-socket mechanics.

Change-Id: I5f481886fd45ce058be4aaf07fba466e702ae7ad
diff --git a/web/gui/src/main/webapp/ws.html b/web/gui/src/main/webapp/ws.html
new file mode 100644
index 0000000..cac99b2
--- /dev/null
+++ b/web/gui/src/main/webapp/ws.html
@@ -0,0 +1,54 @@
+<html>
+<head>
+    <title>Web Sockets Demo</title>
+
+    <script src="libs/jquery-2.1.1.min.js"></script>
+
+    <script type='text/javascript'>
+        if (!window.WebSocket)
+            alert("WebSocket not supported by this browser");
+
+        var server = {
+            connect : function() {
+                var location = document.location.toString().replace('http://',
+                        'ws://').replace('https://', 'wss://').replace('ws.html','ws/topology');
+                this.ws = new WebSocket(location);
+
+                this.ws.onopen = function() {
+                    server._send("Hi there!");
+                };
+
+                this.ws.onmessage = function(m) {
+                    if (m.data) {
+                        $('#log').append(m.data).append($('<br/>'));
+                    }
+                };
+
+                this.ws.onclose = function(m) {
+                    this.ws = null;
+                };
+            },
+
+            _send : function(message) {
+                if (this.ws) {
+                    this.ws.send(message);
+                }
+            },
+
+            send : function(text) {
+                if (text != null && text.length > 0) {
+                    server._send(text);
+                }
+            }
+        };
+    </script>
+</head>
+<body>
+<pre id='log'></pre>
+
+<script type='text/javascript'>
+    server.connect();
+</script>
+
+</body>
+</html>