Move jclouds to the Attic

1. Confirm Board Resolution
2. Create the project YAML data file in the _data/projects directory in the Attic site. jclouds.yaml
3. Ensure the: attic.apache.org/projects/jclouds page has been generated
4. Inform Users of the move to the Attic
5. Ensure original project site pages carry the Attic banner
6. Ensure the Wiki pages (see links on the jclouds page) carry the Attic banner
7. Update the project DOAP file (if any) or copy to projects-override
8. Update Social Media (if any)
9. Get infra lock down project's resources - INFRA-27081
10. Announce on announce at apache.org

See https://attic.apache.org/process-howto.html for detailed instructions