readme: use full version, better for maven snippet
readme: use full version, better for maven snippet

boldtrn/graphhopper,ratrun/graphhopper,graphhopper/graphhopper,hguerrero/graphhopper,fbonzon/graphhopper,graphhopper/graphhopper,prembasumatary/graphhopper,komoot/graphhopper,komoot/graphhopper,fbonzon/graphhopper,routexl/graphhopper,komoot/graphhopper,fbonzon/graphhopper,boldtrn/graphhopper,devemux86/graphhopper,don-philipe/graphhopper,fbonzon/graphhopper,prembasumatary/graphhopper,prembasumatary/graphhopper,prembasumatary/graphhopper,hguerrero/graphhopper,don-philipe/graphhopper,don-philipe/graphhopper,graphhopper/graphhopper,hguerrero/graphhopper,komoot/graphhopper,hguerrero/graphhopper,devemux86/graphhopper,routexl/graphhopper,routexl/graphhopper,graphhopper/graphhopper,don-philipe/graphhopper,devemux86/graphhopper,ammagamma/graphhopper,boldtrn/graphhopper,routexl/graphhopper,ratrun/graphhopper,ammagamma/graphhopper,boldtrn/graphhopper,ratrun/graphhopper,ammagamma/graphhopper,devemux86/graphhopper,ratrun/graphhopper,ammagamma/graphhopper