Fixing examples in README
Fixing examples in README

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