Add Copyright and License header to debian element

These were forgotten in the initial commit.

Change-Id: I42ef745cc56d0a6983b1cc9c870d5a81d1f61940

elements/debian/root.d/08-debootstrap

@@ -1,4 +1,20 @@
 #!/bin/sh
+#
+# Copyright 2014 Hewlett-Packard Development Company, L.P.
+# All Rights Reserved.
+#
+# 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.
+#
 set -eu
 if [ -f ${TARGET_ROOT}/.distro-name ] ; then
     DISTRO_NAME=$(cat ${TARGET_ROOT}/.distro-name)