change LICENSE from ON.LAB to ONF

Change-Id: I3b743b2906bf1d0989f02a5db35277fd35f50e2c
diff --git a/LICENSE.txt b/LICENSE.txt
index ded4f63..d9d9d30 100644
--- a/LICENSE.txt
+++ b/LICENSE.txt
@@ -187,7 +187,7 @@
       same "printed page" as the copyright notice for easier
       identification within third-party archives.
 
-   Copyright 2016 Open Networking Laboratory
+   Copyright 2016 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.