rhel update URLs can come from env
Merge pull request #1424 from seandst/update-urls-env

rhel update URLs can come from env
PRT updates for retest
Yamls key support
Merge pull request #1436 from psav/check_prs_update

PRT updates for retest
Add conf for worker count
Merge pull request #1438 from psav/check_prs_update

Check prs update