Update copyrights 2020

Happy New Year!

bin/tests/prepare-softhsm2.sh

@@ -1,4 +1,14 @@
 #!/bin/sh
+#
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
 if [ -n "${SOFTHSM2_CONF}" ] && command -v softhsm2-util >/dev/null; then
     SOFTHSM2_DIR=$(dirname "$SOFTHSM2_CONF")
     mkdir -p "${SOFTHSM2_DIR}/tokens"