Göttingen: railway signals track 8-11 north

Uslar: suburb -> locality, they are too small for suburbs, also add PT stop_area relation for train station

Wennigsen: split stop_positions at KGS

SH-Bahnlinie A1: remove the last instance of lines=A1

SH-Bahnlinie A1: remove key:lines and key:name from railway lines that are part of the proper public_transport relation

Dransfeld Grundschule: improve public_transport tagging

U-Bahn Hamburg: remove key:lines from platforms that are part of the proper public_transport relation

Göttingen: fix postbox ref

Moorbahn Groß Ahlen: light_rail -> narrow_gauge

Stadtbahn Hannover: fix ref on tram/subway lines and track usage at Braunschweiger Platz

Stadtbahndepot Aldingen: tag cleanup

U-Bahn Hamburg: remove name=U1 and lines=U1 as proper public_transport relation exists

Lüneburg-Lübeck: remove lines=R21. We have public_transport relations for this, but R21 is no more and has been replaced by RE83

Bahnstrecke Hannover-Hamburg: fix tagging gap, fix validator warnings

Münster: fix railway:track_ref

Wennigsen: fix VR signals

S-Bahn Hamburg: remove key:lines, key:ref, and key:name from railway lines that are part of the proper public_transport relation

S-Bahn Hamburg: remove key:lines, key:ref, and key:name from railway lines that are part of the proper public_transport relation

key:VzG -> key:ref for railway lines

Hamburg: fix track refs and some railway warnings