Importing Berlin

I've used `./importer --oneshot=/` with the binary version and this (extracted) OSM file: http://download.geofabrik.de/europe/germany/berlin-latest.osm.bz2

The importer crashes with `Unknown turn restriction no_entry`:
```
- Running convert_osm on /Users/jerry/Downloads/berlin-latest.osm
Read /Users/jerry/Downloads/berlin-latest.osm (1,040)... 162.1816s
OSM doc has 5522394 nodes, 818090 ways, 14293 relations
processing OSM nodes (5,522,394)... 4.4821s
processing OSM ways (818,090)... 6.3400s
Relation 1653527 has unhandled member role inner, ignoring it
Relation 3455436 has unhandled member role inner, ignoring it
Relation 3455436 has unhandled member role inner, ignoring it
Relation 3455436 has unhandled member role inner, ignoring it
Relation 3455436 has unhandled member role inner, ignoring it
Relation 3455436 has unhandled member role inner, ignoring it
Relation 3455436 has unhandled member role inner, ignoring it
Relation 3455436 has unhandled member role inner, ignoring it
Relation 3455436 has unhandled member role inner, ignoring it
Relation 3455436 has unhandled member role inner, ignoring it
Relation 3455436 has unhandled member role inner, ignoring it
Relation 2107105 has unhandled member role inner, ignoring it
thread 'main' panicked at 'Unknown turn restriction no_entry', map_model/src/raw.rs:373:18
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
dropping Timer while doing progress processing OSM relations, due to panic?
```