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_6_onos.json b/web/gui/src/main/webapp/json/ev/simple/ev_6_onos.json
index 3a3ea9e..993570b 100644
--- a/web/gui/src/main/webapp/json/ev/simple/ev_6_onos.json
+++ b/web/gui/src/main/webapp/json/ev/simple/ev_6_onos.json
@@ -1,5 +1,5 @@
 {
-  "event": "updateHost",
+  "event": "addHost",
   "payload": {
     "id": "0E:2A:69:30:13:86/-1",
     "ingress": "0E:2A:69:30:13:86/-1/0-of:0000ffffffff0003/2",
@@ -9,7 +9,7 @@
       "port": 2
     },
     "labels": [
-      "10.0.0.13",
+      "unknown",
       "0E:2A:69:30:13:86"
     ],
     "props": {}