Mark as major so I don't have to rewrite changelog

releases presumes semver

Prepare 15.0.0

Fix links/names for logstash

Prepare 0.4.0

Prepare 0.3.2

Prepare 0.3.1

Prepare 0.3.0

Code name: “Itamar told me to make it faster and less magic-y.”

Prepare 0.2.0

Prepare release