added some more contributors
added some more contributors

ammagamma/graphhopper,boldtrn/graphhopper,devemux86/graphhopper,tobias74/graphhopper,prembasumatary/graphhopper,ratrun/graphhopper,komoot/graphhopper,ammagamma/graphhopper,routexl/graphhopper,hguerrero/graphhopper,prembasumatary/graphhopper,graphhopper/graphhopper,ammagamma/graphhopper,don-philipe/graphhopper,devemux86/graphhopper,ratrun/graphhopper,PGWelch/graphhopper,tobias74/graphhopper,graphhopper/graphhopper,boldtrn/graphhopper,don-philipe/graphhopper,ammagamma/graphhopper,prembasumatary/graphhopper,PGWelch/graphhopper,devemux86/graphhopper,komoot/graphhopper,graphhopper/graphhopper,graphhopper/graphhopper,hguerrero/graphhopper,hguerrero/graphhopper,fbonzon/graphhopper,prembasumatary/graphhopper,fbonzon/graphhopper,komoot/graphhopper,komoot/graphhopper,boldtrn/graphhopper,devemux86/graphhopper,routexl/graphhopper,PGWelch/graphhopper,fbonzon/graphhopper,boldtrn/graphhopper,ratrun/graphhopper,routexl/graphhopper,PGWelch/graphhopper,tobias74/graphhopper,don-philipe/graphhopper,fbonzon/graphhopper,routexl/graphhopper,tobias74/graphhopper,ratrun/graphhopper,hguerrero/graphhopper,don-philipe/graphhopper