Merge branch 'stable-3.0' into stable-3.1

* stable-3.0:
  Allow to re-create a previously removed ref

Change-Id: Iad88f2cb112a4f0fe69cb3f6d5d882e85fc1b9eb
tree: 92fecde0d8a7561853650002e5945aedddebb371
  1. src/
  2. .gitignore
  3. BUILD
  4. external_plugin_deps.bzl
  5. Jenkinsfile
  6. LICENSE
  7. README.md
README.md

plugins_zookeeper

Zookeeper plugin for Gerrit Code Review