Bhf Tiergarten: add platform edges (and ifopt ids)

S-Bhf Zoologischer Garten: add platform edges (and ifopt ids)

Bhf Savignyplatz: add platform edges (and ifopt ids)

S-Bhf Savignyplatz: Convert platform way to relation (to add support for platform_edges).

S-Bhf Charlottenburg: add platform edges (and ifopt ids)

S-Bhf Charlottenburg (platform 7/8): Convert platform way to relation (to add support for platform_edges).

S-Bhf Charlottenburg (platform 5/6): Convert platform way to relation (to add support for platform_edges).

Bhf Westkreuz (S3/5/7/9): add platform edges (and ifopt ids)

Bhf Grunewald: add platform edges (and ifopt ids)

S-Bhf Grunewald (platform 1/2): Convert platform way to relation (to add support for platform_edges).

S-Bhf Griebnitzsee: add platform edges (and ifopt ids)

S-Bhf Griebnitzsee (platform 1/2): Convert platform way to relation (to add support for platform_edges).

S-Bhf Babelsberg: add platform edges

S-Bhf Babelsberg: Convert platform way to relation (to add support for platform_edges).

Potsdam Hbf (S-Bahn): add platform edges (and ifopt ids)

Potsdam Hbf (S-Bahn): Convert platform way to relation (to add support for platform_edges).

Bhf Westend: add platform edges (and ifopt ids)

S-Bhf Westend: Convert platform way to relation (to add support for platform_edges).

Bhf Witzleben: add platform edges (and ifopt ids)

S-Bhf Witzleben: Convert platform way to relation (to add support for platform_edges).