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/startup/ev_18_onos.json b/web/gui/src/main/webapp/json/ev/startup/ev_18_onos.json
index 5687698..d11f13e 100644
--- a/web/gui/src/main/webapp/json/ev/startup/ev_18_onos.json
+++ b/web/gui/src/main/webapp/json/ev/startup/ev_18_onos.json
@@ -1,12 +1,13 @@
 {
   "event": "addLink",
   "payload": {
+    "id": "of:0000ffffffff000A/2-of:0000ffffffffff0A/1",
+    "type": "optical",
+    "linkWidth": 2,
     "src": "of:0000ffffffff000A",
     "srcPort": "2",
     "dst": "of:0000ffffffffff0A",
     "dstPort": "1",
-    "type": "optical",
-    "linkWidth": 2,
     "props" : {
       "BW": "100 G"
     }