[CORD-1685] Adding copyright informations

Change-Id: Icabd5d2277cd8e88a14b43a0c82ecec8201f781b
diff --git a/xos/templates/vtnadmin.html b/xos/templates/vtnadmin.html
index a3a2a52..d9a5d75 100644
--- a/xos/templates/vtnadmin.html
+++ b/xos/templates/vtnadmin.html
@@ -1,3 +1,21 @@
+
+<!--
+Copyright 2017-present Open Networking Foundation
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+-->
+
+
 <div class = "row text-center">
     <div class="col-xs-12">
         <a href="/admin/vtn/vnrtenant/">vTN Tenants</a>