bump to v1.16.1
      Fix str/byte exception with fingerprint
      Atomic/discovery.py: Fix exception with FQDN in atomic sign
      Small fix to image info
      Report an error when no applicable registries.d configuration exists
      Fix debug output when in RegistryInspect.find_image_on_registry
      Allow returning raw bytes from RegistryInspect.get_manifest
      syscontainers: do not fail if Docker is not running
      syscontainers: add a warning if the image is not a system container
      Atomic/scan.py: Fix KeyError for uuid