We no longer allow viewing individual images, but instead only manifests. This will help with the transition to Clair V3 (which is manifest based) and, eventually, the the new data model (which will also be manifest based)
before we would return a 400 without a message because the errors were not being caught
Issue: https://www.pivotaltracker.com/story/show/145459707
- [ ] It works!
- [ ] Comments provide sufficient explanations for the next contributor
- [ ] Tests cover changes and corner cases
- [ ] Follows Quay syntax patterns and format
Return an empty body on API requests with status code 204, which
means "No content". Incorrect 'Deleted' responses were being
returned after successful DELETE operations despite the "No Content"
definition of 204.
