Merge branch 'stable-3.8'

* stable-3.8:
  Allow subscribing to the topic with custom group id
  Consume events-broker from source
  Clone also events-broker for build validation
  Fix issue with using cgit client to fetch without authentication

Change-Id: Ic83c6888291174fe2fa966945adaafdeff45e789
tree: 4cca454c8890bf01c1fe1c34d4ee240b40c2872c
  1. example-setup/
  2. src/
  3. .gitignore
  4. BUILD
  5. Jenkinsfile
  6. LICENSE