[data-protocols] Blog announce post for Data Protocols

[Rufus Pollock]

Hi All,

I've drafted an announce post for Data Protocols that I plan to put
out later today or tomorrow on blog.okfn.org:

<http://rgrp.okfnpad.org/posts-data-protocols>

Comments and corrections welcome!

This is largely based on the Knight News Challenge Data Challenge
application for Data Protocols that Friedrich and I put together (at
the last minute!) with some input from Francis a couple of weeks ago:

http://newschallenge.tumblr.com/post/25576949597/data-protocols-rough-consensus-running-code-and

Rufus