moved wrongly placed amenity nodes
added route_master for Bus 217
changed/added some shops in Eckental-Eschenau
added backwards relation for vgn bus 217
fixed route relations of vgn-R21
added stop areas (and other minor fixes) in Gräfenberg and Weißenohe
added stop areas (and 2 platforms) to tram stops in Darmstadt
changed some wrong maxspeed values
added relation for VGN bus route 226 (only one direction for now)
added highways to bus route relation
added relation for VGN bus route 217
changed relations for VGN bus route 212
added missing maxspeed in Eckental-Eckenhaid
Added agricultural access restrictions for a road
Added some bus stations to route relation
Splitted bus route vgn-212 into seperate ones for each direction