SES-1691 : Bump to Java-8 for version 4
SES-1691 : Update Eclipse prefs files to use Java-8
SES-1705 : Make RepositoryConnection extend AutoCloseable
SES-1704 : Make CloseableIteration extend AutoCloseable
SES-1938 : Register FileTypeDetector for Rio formats
SES-2050 : Add default implementations of Model utility methods
SES-2050 : Add LinkedHashModelTest
SES-2050 : Work on adding a performance test for Model to verify the new
functions and old ones
SES-2050 : Work on determining which method is faster

Seems like in general, the streams are not quite as far as the Iterator
implementation in AbstractModel, so leaving both with the override in
Abstract Model for now.
SES-2051 : Change Literal.getLanguage() to return Optional<String>
SES-2091 : Support Commons RDF as super interfaces for sesame-model
SES-2077: WIP: Remove Graph