fix the slf/logback dependency
fix the slf/logback dependency

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