Kryo Registrators

The following registrators exist in Sansa:

Class name	Required for
net.sansa_stack.spark.io.rdf.kryo.JenaKryoRegistrator	All core Sansa functionality
net.sansa_stack.query.spark.ontop.OntopKryoRegistrator	Ontop integration
net.sansa_stack.query.spark.sparqlify.KryoRegistratorSparqlify	Sparqlify integration