merged from master

...s/indexer/gcp/persistence/ElasticRepositoryDatastore.java

...n/java/org/opendes/indexer/gcp/publish/PublisherImpl.java

...java/org/opendes/indexer/gcp/util/HeadersInfoGcpImpl.java

...in/java/org/opendes/indexer/gcp/util/RequestInfoImpl.java

...ndes/indexer/gcp/util/ServiceAccountJwtGcpClientImpl.java

...n/java/org/opendes/indexer/gcp/util/TraceIdExtractor.java

.../org/opendes/indexer/gcp/util/HeadersInfoGcpImplTest.java

.../indexer/gcp/util/ServiceAccountJwtGcpClientImplTest.java

...va/org/opendes/indexer/gcp/util/TraceIdExtractorTest.java

...esources/mockito-extensions/org.mockito.plugins.MockMaker

indexer-service-root/pom.xml

...ce-root/src/main/java/org/opendes/indexer/SwaggerDoc.java

...c/main/java/org/opendes/indexer/model/PublishMessage.java

...src/main/java/org/opendes/indexer/publish/IPublisher.java

...esources/mockito-extensions/org.mockito.plugins.MockMaker

pom.xml