add the license and copyright header for the html and css files

Change-Id: I58570cad55399710bb03ef407b457386443fa39b
Signed-off-by: Seshu-Kumar-M <seshu.kumar.m@huawei.com>
diff --git a/openo-portal/portal-lifecyclemgr/sdnovpn.html b/openo-portal/portal-lifecyclemgr/sdnovpn.html
index a5c6b54..bd3d567 100644
--- a/openo-portal/portal-lifecyclemgr/sdnovpn.html
+++ b/openo-portal/portal-lifecyclemgr/sdnovpn.html
@@ -1,3 +1,21 @@
+<!--

+

+    Copyright (c) 2016, Huawei Technologies Co., Ltd.

+

+    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.

+

+-->

+

 <!doctype html>

 <html>

 <head>