Add llama-minikdc to the CDH5 branch.  This project is used for the
"mini" standalone KDC that it provides.  This KDC will be used in
the kerberization of the development environment.

There are no changes to the llama-minikdc project, other than the
addition of the README-ORIGIN.txt file, which describes the process
used to create these files.

Change-Id: I6ad64cf935a936a6d4a70269c3b002f12e273489
Reviewed-on: http://gerrit.sjc.cloudera.com:8080/3953
Reviewed-by: Henry Robinson <henry@cloudera.com>
Tested-by: jenkins