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

S-Bhf Erkner (platform 31/32): Convert platform way to relation (to add support for platform_edges).

S-Bhf Erkner (platform 34): Convert platform way to relation (to add support for platform_edges).

Bhf Wilhelmshagen: add platform edges (and ifopt ids)

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

Bhf Rahnsforf: add platform edges (and ifopt ids)

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

Bhf Friedrichshagen: add platform edges (and ifopt ids)

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

Bhf Hirschgarten: add platform edges (and ifopt ids)

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

Bhf Köpenick: add platform edges (and ifopt ids)

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

Bhf Wuhlheide: add platform edges (and ifopt ids)

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

Bhf Karlshorst: add platform edges (and ifopt ids)

Betriebsbahnhof Rummelsburg: add platform edges (and ifopt ids)

S Betriebsbahnhof Rummelsburg: Convert platform way to relation (to add support for platform_edges).

Bhf Rummelsburg: add platform edges (and ifopt ids)

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