Added VMware-provided license and notify info

This patch adds the required license and notify information to the
project and relevant sources.
diff --git a/DataSourceVMwareGuestInfo.py b/DataSourceVMwareGuestInfo.py
index 8131253..c084e92 100644
--- a/DataSourceVMwareGuestInfo.py
+++ b/DataSourceVMwareGuestInfo.py
@@ -1,6 +1,16 @@
 # vi: ts=4 expandtab
 #
-# Copyright (C) 2018 VMware Inc.
+# Cloud-Init Datasource for VMware Guestinfo
+#
+# Copyright (c) 2018 VMware, Inc. All Rights Reserved.
+#
+# This product is licensed to you under the Apache 2.0 license (the "License").
+# You may not use this product except in compliance with the Apache 2.0 License.
+#
+# This product may include a number of subcomponents with separate copyright
+# notices and license terms. Your use of these subcomponents is subject to the
+# terms and conditions of the subcomponent's license, as noted in the LICENSE
+# file.
 #
 # Authors: Anish Swaminathan <anishs@vmware.com>
 #          Andrew Kutz <akutz@vmware.com>