Merge branch 'sbstan/bag-of-words-indexing' into 'master'

NOTICE

docs/tutorial/PreviewFeatures.md

...p/osdu/indexer/config/IndexerConfigurationProperties.java

...oup/osdu/indexer/service/AttributeParsingServiceImpl.java

...ngroup/osdu/indexer/service/IAttributeParsingService.java

...group/osdu/indexer/service/IndexerMappingServiceImpl.java

...rg/opengroup/osdu/indexer/service/IndicesServiceImpl.java

...oup/osdu/indexer/service/StorageIndexerPayloadMapper.java

...main/java/org/opengroup/osdu/indexer/util/TypeMapper.java

.../org/opengroup/osdu/indexer/util/parser/StringParser.java

...osdu/indexer/service/AttributeParsingServiceImplTest.java

...group/osdu/indexer/service/IndexerMappingServiceTest.java

...osdu/indexer/service/StorageIndexerPayloadMapperTest.java

...pengroup/osdu/indexer/service/StorageServiceImplTest.java

.../java/org/opengroup/osdu/indexer/util/TypeMapperTest.java

.../org/opengroup/osdu/indexer/aws/util/RequestInfoImpl.java

...der/indexer-aws/src/main/resources/application.properties

...r/indexer-azure/src/main/resources/application.properties

...ider/indexer-gc/src/main/resources/application.properties

...der/indexer-ibm/src/main/resources/application.properties