[python-backports-ssl_match_hostname/f21] (3 commits) ...Merge branch 'f21'

[Ralph Bean]

Summary of changes:

  cc8d8f6... fix license handling (*)
  afdcd1b... Apply upstream patch to fix namespace handling. (*)
  bb49e2f... Merge branch 'f21'

(*) This commit already existed in another branch; no separate mail sent