Fixups for Cryptosphere::Git::Refs
Fixups for Cryptosphere::Git::Refs

- Fixes Content-Type
- Webmachine will auto-gzip for us
- Gzipping was actually breaking the output
- Match git version in response

cryptosphere/cryptosphere,kalatestimine/cryptosphere,kalatestimine/cryptosphere,cryptosphere/cryptosphere,cryptosphere/cryptosphere,kalatestimine/cryptosphere