* provide info of actual images and tags
* refresh docker images/tag via release_dashboard
* keep that info in db
* fix Dockerfile documentation
* cleanup thanks to flake8
Change-Id: I743482da9b4d50f7b1832cad324882f3a49cbcf0
* release-tools-runner sends a note
"hotfix <projectname> <version> triggered"
* TODO: how to be sure that version reaches
public release ??
Change-Id: Ib220f36d642172d8c89f4df35543193be16d37ce