Add copyright headers to MAAS repo.

Change-Id: Ib1adb7115ee571765d55ce7fa043ae361ed9485e
diff --git a/roles/onos-fabric/files/bin/ping-test.sh b/roles/onos-fabric/files/bin/ping-test.sh
index 4bbcef9..a3f26b6 100755
--- a/roles/onos-fabric/files/bin/ping-test.sh
+++ b/roles/onos-fabric/files/bin/ping-test.sh
@@ -1,5 +1,19 @@
 #!/bin/bash
 
+# 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.
+
 HOSTS="10.3.1.1 10.3.1.2 10.3.2.1 10.3.2.2 10.3.1.254 10.3.2.254 192.168.10.1 8.8.8.8"
 
 ME=$(ifconfig | grep "10\.3\.[0-9]\.[0-9]" | sed -e 's/.*addr:\(10\.3\.[0-9]\.[0-9]\).*/\1/g' 2> /dev/null)