add link to apk in user doc, #985
add link to apk in user doc, #985

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