Dockerize

Parameters can now be taken from environment variables.

Builds via travis and drone.io generate staticaly linked and compressed executables.

docker images are uploaded to:
cblomart/zwaymqtt

With tage: "commit", latest, stable, "version", branch

Map argments to env vars

v0.2.1

Travis upload falvors

Add MQTT authentication

Still very beta!

First and early release

0.1

licence