added stanza related to workflow option encryption
added stanza related to workflow option encryption

broadinstitute/cromwell,dgtester/cromwell,cowmoo/cromwell,dgtester/cromwell,cowmoo/cromwell,broadinstitute/cromwell,broadinstitute/cromwell,ohsu-comp-bio/cromwell,dgtester/cromwell,ohsu-comp-bio/cromwell,broadinstitute/cromwell,cowmoo/cromwell,broadinstitute/cromwell,ohsu-comp-bio/cromwell