Add TransitToTaggedStopsGraphBuilder
Move into new class TransitStopStreetVertex
Add bus_station
Set TraverseMode correctly in P+R edges
Only use stop codes for linking
less verbose
do less processing if no stop code defined
write better java
Merge pull request #1432 from hannesj/taggedstoplinker

Use OpenStreetMap data to improve linking of transit stops
Merge branch 'master' into experimental