Add `surface` and `tracktype` as secondary tags for classing
Add `surface` and `tracktype` as secondary tags for classing

kartta-labs/iD,ngageoint/hootenanny-ui,1ec5/iD,edpop/iD,openstreetmap/iD,kepta/iD,ngageoint/hootenanny-ui,kartta-labs/iD,morray/iD,zbycz/iD,energiekollektiv/openmod.sh-id,AndreasHae/iD,kepta/iD,digidem/iD,AndreasHae/iD,tbicr/iD,digidem/iD,ngageoint/hootenanny-ui,morray/iD,bagage/iD,edpop/iD,AndreasHae/iD,zbycz/iD,1ec5/iD,kartta-labs/iD,bagage/iD,mapmeld/iD,1ec5/iD,openstreetmap/iD,andreic-telenav/iD,openstreetmap/iD,andreic-telenav/iD,mapmeld/iD,energiekollektiv/openmod.sh-id,bagage/iD,tbicr/iD,edpop/iD,mapmeld/iD