Docker Registry BOSH Release v3.2.1

Bug Fixes

• Address cf_release security vulnerability. We copied some
  code from cf_release to get NFS support quickly and easily.
  They found (and fixed!) a vulnerability. Now we have too!
  Details can be found here

Docker Registry BOSH Release v3.2.0

(note: this is a re-release of 3.1.0, because of Concourse. 3.1.0 exists as a BOSH release, but was not made available via Github/S3)

Improvements

• Upgrade to Docker Registry v2.5.0
• Incorporate numerous changes and upgrades from @jriguera
• Switch to running builds via the CI pipeline at
  http://ci.vsphere.starkandwayne.com/teams/main/pipelines/docker-registry-boshrelease
• New smoke-tests errand job, for running verifications tests
  against a deployed Docker Registry