GUI -- Created 'colors' scenario.

Change-Id: I06d12a6a030b8c84991ab5c2d5077ee934450592
diff --git a/web/gui/src/main/webapp/json/ev/colors/ev_4_onos.json b/web/gui/src/main/webapp/json/ev/colors/ev_4_onos.json
new file mode 100644
index 0000000..d7768e2
--- /dev/null
+++ b/web/gui/src/main/webapp/json/ev/colors/ev_4_onos.json
@@ -0,0 +1,11 @@
+{
+  "event": "addInstance",
+  "payload": {
+    "id": "onos-master",
+    "online": false,
+    "labels": [
+      "onos-master",
+      "127.0.0.1"
+    ]
+  }
+}