Modified CONTRIB so the things are merged and clean before PR
Initial commit of Matt Dorn's blog post
fix front matter issues
replaced twitter info by Matt's blog url, as per his request.
Heat post #1
renaming, redating, re-tagging
Simplify .NET examples for CreateObject (fixes #958)
Corrected a couple of minor typos in the Heat post.
Landing page for The Changelog
Check ansible version in Vagrantfile