Merge pull request contiv#1156 from lukasmacko/master

Fix advertising of mgmt IPs

Update CHANGELOG.md

1.3-alpha

1.2.0 release

Merge pull request contiv#856 from milanlenco/service-renderer

Pluggable service plugin renderers replacing single Configurator.

Merge pull request contiv#865 from contiv/revert-864-fix

Revert "Do no restart KSR when etcd connection is lost"