CLEREZZA-906 Adding SPARQL query support to the virtuoso storage provider
CLEREZZA-906 Set QueryableTcProvider as a service
CLEREZZA-906 Complete tests of result types on SPARQL queries
CLEREZZA-907 An attempt to make Jenkins to skip virtuoso tests gracefully. We use a profile that is activated if the virtuoso.test system property does not exist, and set surefire plugin to exclude all test classes.