modified the model to consume and emit geojson for the challenge geometry
modified the model to consume and emit geojson for the challenge geometry

mvexel/maproulette,mvexel/mr-tnav,osmlab/maproulette,osmlab/maproulette,mvexel/maproulette,mvexel/maproulette,Crashfreak/maproulette,Crashfreak/maproulette,osmlab/maproulette,mvexel/mr-tnav,Crashfreak/maproulette,osmlab/maproulette,Crashfreak/maproulette,mvexel/maproulette