Add copyright headers to MAAS repo.

Change-Id: Ib1adb7115ee571765d55ce7fa043ae361ed9485e
diff --git a/config-generator/Dockerfile.generator b/config-generator/Dockerfile.generator
index 8cbc55b..5b27d1c 100644
--- a/config-generator/Dockerfile.generator
+++ b/config-generator/Dockerfile.generator
@@ -1,16 +1,18 @@
-## 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.
-## 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.
+
+# Copyright 2017-present 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.
+# 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 golang:1.7-alpine as builder
 MAINTAINER Open Networking Laboratory <info@onlab.us>