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/ev_9_onos.json b/web/gui/src/main/webapp/json/ev/simple/ev_9_onos.json
new file mode 100644
index 0000000..0fb56fa
--- /dev/null
+++ b/web/gui/src/main/webapp/json/ev/simple/ev_9_onos.json
@@ -0,0 +1,17 @@
+{
+  "event": "updateHost",
+  "payload": {
+    "id": "A6:96:E5:03:52:5F/-1",
+    "ingress": "A6:96:E5:03:52:5F/-1/0-of:0000ffffffff0008/1",
+    "egress": "of:0000ffffffff0008/1-A6:96:E5:03:52:5F/-1/0",
+    "cp": {
+      "device": "of:0000ffffffff0008",
+      "port": 1
+    },
+    "labels": [
+      "10.0.0.17",
+      "A6:96:E5:03:52:5F"
+    ],
+    "props": {}
+  }
+}