cdalvaro/docker-salt-master 2019.2.1

on GitHub

The following changes are only related with the docker image.
Please refer to the SaltStack Release Notes for the list of changes in SaltStack.

• Upgrade salt-master to 2019.2.1
• Change Docker base image to ubuntu:bionic-20190912.1
• Upgrade pygit2 to version 1.9.0
• Upgrade m2crypto to version 0.35.2