* S3/Config.py
  Get user input aws access key, secret and gpg passphrase out of debug format string
Allow --acl-grant on AWS groups e.g.

s3cmd --acl-grant=all:"http://acs.amazonaws.com/groups/global/AuthenticatedUsers" setacl FILENAME
Merge remote-tracking branch 'dalelovelace/master'
Merge remote-tracking branch 'yuryu/master'