GUI -- Added updateDevice event handling.
 - Display offline devices as grey.
 - Tracing web socket messages (for now, in console; in future, to trace view).
 - Captured sample events for use with test scenarios - both from and to the server.
 - Added description to scenario file.

Change-Id: I7825b32d63496ebea2ab5789519fb0c6af6c5257
diff --git a/web/gui/src/main/webapp/index2.html b/web/gui/src/main/webapp/index2.html
index 66050c6..03272e9 100644
--- a/web/gui/src/main/webapp/index2.html
+++ b/web/gui/src/main/webapp/index2.html
@@ -44,6 +44,7 @@
     <!-- This is where contributed stylesheets get INJECTED -->
     <!-- TODO: replace with template marker and inject refs server-side -->
     <link rel="stylesheet" href="topo2.css">
+    <link rel="stylesheet" href="webSockTrace.css">
 
 
     <!-- General library modules included here-->
@@ -97,6 +98,7 @@
 
     <!-- Contributed (application) views injected here -->
     <!-- TODO: replace with template marker and inject refs server-side -->
+    <script src="webSockTrace.js"></script>
     <script src="topo2.js"></script>
 
     <!-- finally, build the UI-->