amending updating licensing text

Author: ljbennett62

README.md

@@ -269,4 +269,6 @@ To register the deployed rooms in the cluster, you will need to use the UI of yo
 
 ## License
 
-[Apache 2.0](http://www.apache.org/licenses/LICENSE-2.0)
+This code pattern is licensed under the Apache Software License, Version 2.  Separate third party code objects invoked within this code pattern are licensed by their respective providers pursuant to their own separate licenses. Contributions are subject to the [Developer Certificate of Origin, Version 1.1 (DCO)](https://developercertificate.org/) and the [Apache Software License, Version 2](http://www.apache.org/licenses/LICENSE-2.0.txt).
+
+[Apache Software License (ASL) FAQ](http://www.apache.org/foundation/license-faq.html#WhatDoesItMEAN)