add jena dependency for pretty output r2rml
add jena dependency for pretty output r2rml

eschwert/ontop,srapisarda/ontop,eschwert/ontop,ontop/ontop,ConstantB/ontop-spatial,ghxiao/ontop-spatial,eschwert/ontop,srapisarda/ontop,ghxiao/ontop-spatial,ontop/ontop,clarkparsia/ontop,ConstantB/ontop-spatial,ontop/ontop,ghxiao/ontop-spatial,clarkparsia/ontop,srapisarda/ontop,eschwert/ontop,ConstantB/ontop-spatial,ontop/ontop,srapisarda/ontop,ConstantB/ontop-spatial,ontop/ontop,ghxiao/ontop-spatial,clarkparsia/ontop