add copyright notices

Change-Id: I0d2d20b224b7dd496878035139fd7739a21972e0
diff --git a/ip-allocator/Dockerfile b/ip-allocator/Dockerfile
index 4f62112..ba7155d 100644
--- a/ip-allocator/Dockerfile
+++ b/ip-allocator/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 golang:alpine
+MAINTAINER Open Networking Labratory <info@onlab.us>
 
 RUN apk --update add git
 
diff --git a/ip-allocator/allocate.go b/ip-allocator/allocate.go
index 11eded4..13b21ed 100644
--- a/ip-allocator/allocate.go
+++ b/ip-allocator/allocate.go
@@ -1,3 +1,16 @@
+// 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.
 package main
 
 func Allocate(store Storage, mac string) (string, error) {
diff --git a/ip-allocator/allocator.go b/ip-allocator/allocator.go
index 27e237a..a4757e4 100644
--- a/ip-allocator/allocator.go
+++ b/ip-allocator/allocator.go
@@ -1,3 +1,16 @@
+// 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.
 package main
 
 import (
diff --git a/ip-allocator/handlers.go b/ip-allocator/handlers.go
index 1cae0ad..9129e4c 100644
--- a/ip-allocator/handlers.go
+++ b/ip-allocator/handlers.go
@@ -1,3 +1,16 @@
+// 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.
 package main
 
 import (
diff --git a/ip-allocator/ip.go b/ip-allocator/ip.go
index 29e3500..fb85def 100644
--- a/ip-allocator/ip.go
+++ b/ip-allocator/ip.go
@@ -1,3 +1,16 @@
+// 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.
 package main
 
 import (
diff --git a/ip-allocator/storage.go b/ip-allocator/storage.go
index ac5ce6d..3fc3e99 100644
--- a/ip-allocator/storage.go
+++ b/ip-allocator/storage.go
@@ -1,3 +1,16 @@
+// 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.
 package main
 
 import (