Merge branch 'stable-2.14' into stable-2.15

* stable-2.14:
  setup_gjf.sh: amend SHA1 for GJF 1.6
  Elasticsearch: Tidy up Javadoc in builders package
  setup_gjf.sh: Add support for google-java-format 1.6
  ElasticRestClientProvider: Detect Elasticsearch version
  Convert ElasticRestClientBuilder to a provider
  WorkQueue: rename prefix to queueName
  AbstractElasticIndex: Move generation of index name to ElasticConfiguration

Change-Id: Ie34d0799f957e94848a557d6c03c6224e79c07ac
tree: b6ac82824ca856b5ba0679753b90f2519d5eb571
  1. gerrit-acceptance-tests/
  2. gerrit-elasticsearch/
  3. gerrit-pgm/