Merge branch 'master' into swagger

NOTICE

devops/gcp/deploy/templates/indexer-deploy.yml

indexer-core/pom.xml

pom.xml

provider/indexer-aws/pom.xml

provider/indexer-azure/pom.xml

provider/indexer-gcp/pom.xml

provider/indexer-ibm/pom.xml

provider/indexer-reference/pom.xml

testing/indexer-test-aws/pom.xml

testing/indexer-test-azure/pom.xml

testing/indexer-test-core/pom.xml

testing/indexer-test-gcp/pom.xml

testing/indexer-test-ibm/pom.xml

testing/pom.xml