Related to PM-1546

the new agreed format looks like.
pegasus: "5.0"
replicas:

• lfn: f1
  pfns:
• site: local
  url: /path/to/file
• site: condorpool
  url: /path/to/file
  checksum:
  sha256: abc123
  metadata:
  owner: ryan
  size: 1024
  k: v

• lfn: f2
  pfns:
• site: local
  url: /path/to/file
• site: condorpool
  url: /path/to/file
  checksum:
  sha256: 991232132abc
  metadata:
  owner: pegasus
  size: 1024
  k: v
  abc: 123

• lfn: .*\.gz
  pfns:
• site: local
  url: input/mono/[0]
  // cant have checksum
  metadata:
  owner: pegasus
  regex: true