Random DNSCurve code

This project is a collection of various DNSCurve-related code.  In
particular, it contains:

  - slownacl: A pure Python implementation of the NaCl Python API. For
      more details about NaCl, see http://nacl.cace-project.eu/.
      WARNING: This library is not resistant to timing attacks.

  - forward: A DNSCurve forwarder implementation.

  - tools: A set of DNS and DNSCurve-related tools.

  - drafts: Internet-Drafts related to DNSCurve.

  - attic: Old code that needs updating.