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/json/ev/simple/scenario.json b/web/gui/src/main/webapp/json/ev/simple/scenario.json
index e320413..19d6190 100644
--- a/web/gui/src/main/webapp/json/ev/simple/scenario.json
+++ b/web/gui/src/main/webapp/json/ev/simple/scenario.json
@@ -6,5 +6,17 @@
   "title": "Simple Startup Scenario",
   "params": {
     "lastAuto": 0
-  }
+  },
+  "description": [
+    "1. add device [8] (offline)",
+    "2. add device [3] (offline)",
+    "3. update device [8] (online)",
+    "4. update device [3] (online)",
+    "5. add link [3] --> [8]",
+    "6. add host (to [3])",
+    "7. add host (to [8])",
+    "8. update host[3] (IP now 10.0.0.13)",
+    "9. update host[8] (IP now 10.0.0.17)",
+    ""
+  ]
 }
\ No newline at end of file