GUI -- Fixed link lookup bug when removing links.
 - fixed and extended the 'startup' test scenario  to show device coming online (and links added), followed by device going offline (and links removed).

Change-Id: I58f79b5b16d37504793f36db9959f8c3c26b5261
diff --git a/web/gui/src/main/webapp/json/ev/intentSketch/scenario.json b/web/gui/src/main/webapp/json/ev/intentSketch/scenario.json
index 136d027..f109dde 100644
--- a/web/gui/src/main/webapp/json/ev/intentSketch/scenario.json
+++ b/web/gui/src/main/webapp/json/ev/intentSketch/scenario.json
@@ -5,5 +5,9 @@
   "title": "Host Intent Scenario",
   "params": {
     "lastAuto": 0
-  }
+  },
+  "description": [
+    "Currently this is just a sketch of the event sequence,",
+    " but is NOT YET a runnable scenario."
+  ]
 }
\ No newline at end of file