[generator] New step step_prepare_routing_world.
[generator] New step step_prepare_routing_world.

mapsme/omim,mpimenov/omim,mpimenov/omim,mpimenov/omim,mpimenov/omim,mapsme/omim,mapsme/omim,mapsme/omim,mapsme/omim,mapsme/omim,mapsme/omim,mpimenov/omim,mpimenov/omim,mpimenov/omim,mpimenov/omim,mpimenov/omim,mpimenov/omim,mapsme/omim,mapsme/omim,mpimenov/omim,mapsme/omim,mapsme/omim,mpimenov/omim,mpimenov/omim,mapsme/omim,mapsme/omim