Updating Copyright line to Open Networking Foundation

Change-Id: I21bc72d67579962f43eeb9ccf9c3c42747668ff9
diff --git a/ip-allocator/Dockerfile.allocator b/ip-allocator/Dockerfile.allocator
index 9108ffa..3c206f4 100644
--- a/ip-allocator/Dockerfile.allocator
+++ b/ip-allocator/Dockerfile.allocator
@@ -1,4 +1,4 @@
-## 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.