4 Add support for distribution_type "container"
6 Add function maven_release_file and container_release_file
7 and the logic to choose the correct one.
8 No functional change to maven_release_file.
10 Add docker login step when docker releases are being processed.
12 container_release_file downloads log_dir/console.log.gz
13 and parses it to get a list of container name and version.
14 Verifies pulls container and grabs the image_id then
15 performs the merge then tags and pushes the container.
18 release-verify and merge will need to run on a docker build-node
19 for example centos7-docker-8c-8g
20 Lftools will need to be updated to 0.26.0 so that -v is supported for