add copyright notices

Change-Id: I0d2d20b224b7dd496878035139fd7739a21972e0
diff --git a/harvester/Dockerfile b/harvester/Dockerfile
index 057e257..fb3a2a2 100644
--- a/harvester/Dockerfile
+++ b/harvester/Dockerfile
@@ -1,4 +1,18 @@
+## 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
+##
+## 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.
 FROM python:2.7-alpine
+MAINTAINER Open Networking Labratory <info@onlab.us>
 
 RUN apk update && apk add bind