GUI - Added example requestTraffic and showTraffic events; updated test addLink events.
- commented out using 'alert' for logic errors (console warn only now).

Change-Id: I3a48107c5707fd41d8e69ae7c1a980e498651c4b
diff --git a/web/gui/src/main/webapp/json/ev/_capture/tx/requestTraffic_ex3_devs_hosts.json b/web/gui/src/main/webapp/json/ev/_capture/tx/requestTraffic_ex3_devs_hosts.json
index 3f915df..1757b44 100644
--- a/web/gui/src/main/webapp/json/ev/_capture/tx/requestTraffic_ex3_devs_hosts.json
+++ b/web/gui/src/main/webapp/json/ev/_capture/tx/requestTraffic_ex3_devs_hosts.json
@@ -7,6 +7,7 @@
       "86:C3:7B:90:79:CD/-1",
       "7E:D2:EE:0F:12:4A/-1",
       "of:000000000000000c"
-    ]
+    ],
+    "hover": ""
   }
 }