adding license file

Change-Id: I15d3dc8d5f39282c9163c730b77ca5e00b26abda
diff --git a/LICENSE.txt b/LICENSE.txt
index 5c294b6..ded4f63 100644
--- a/LICENSE.txt
+++ b/LICENSE.txt
@@ -187,16 +187,16 @@
       same "printed page" as the copyright notice for easier
       identification within third-party archives.
 
-   Copyright 2014 Open Networking Laboratory
+   Copyright 2016 Open Networking Laboratory
 
-   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
+  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
+      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.
+  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.