Mvn plugins for Gerrit v2.16 should use Java 8

Gerrit plugins that rely on a Maven build, should use Java 8
when targeting Gerrit v2.16.

Change-Id: I1427c5f576d08f69bf91bd9f8d89eae395fde295
1 file changed
tree: 63f26ef0bcb8602c83f57758a8800d3232ea770b
  1. jenkins/
  2. jenkins-docker/
  3. worker/
  4. .gitignore