* stable-2.14:
AbstractIndexTests: Add --wide option to show-queue command invocation
AbstractIndexTests: Add assertions on change index count
AbstractIndexTests: Use correct command to index project
acceptance/SshSession: Add helper methods to assert about success/failure
dev-bazel: Add 'elastic' and 'docker' to list of test groups
dev-bazel: Improve section about running Elasticsearch tests
AbstractIndexTests: Add coverage for index projects command
ReadOnlyChangeIndex: Reduce visibility to package
AbstractIndexTests: Refactor to simplify and use Java stream API
Elasticsearch: Improve introduction in elasticsearch section
Elasticsearch: Add support for version 6.3.0
ElasticVersionTest: Add explicit test for 5.6.10
ElasticContainer: Update to version 5.6.10
Change-Id: I6b1c93d4dd7b3dbe6e17e6c6e323fc2c7458a39e
a09a747e06