kr/s3 — pull request #9 by guymguym (2013-07-03 00:21:58+00:00)
Title: Allow remote signing by introducing Signer interface

Now s3util can take a more generic Signer interface instead of the fixed
s3util.Config, which is needed to allow uploads from clients that shouldn't
have the secret key, and therefore requests a web server to sign its requests.