Remove usage of wheels during jenkins worker provisioning.
Jenkins_worker role: clarify what the shallow-clone is and remove its dir when done.
initial working version
Adding minos config template
Merge pull request #1397 from edx/benp/remove-wheels-jenkins-worker

Remove usage of wheels during jenkins worker provisioning.
cr comments
Merge pull request #1418 from edx/e0d/lifecycle-inventory

initial working version
Changing over dollar vars