WIP First part of the protocol spec.
WIP second part of the protocol spec
Spec update: Signature algorithms should be RSA with SHA1 not RSA with SHA256

This is to support signing via the ssh-agent.
Added section about version compatibility for the future. Some Markdown formatting stuff
some more formatting
PROTOCOL.md: Formatting and Updates.

* Break long sections into multiple lines since it makes them more readable
  when not rendered.
* Add links to the relevant RFCs.
* Add mailto: links for authors.
* Prefer using `` (pre-format) for literals, reference to literals, and
  reference to things in the figure.
Merge pull request #1 from udoprog/wip-protocol

PROTOCOL.md: Formatting and Updates.
Switch from HTTP HEAD to HTTP GET for handshake protocol
Clarified constraints on host_name field
Merge pull request #13 from noaresare/wip-protocol

Spec of v1 protocol