add highway/step (ladder) segment, minor corrections
remove none existing path, correct paramters
Change alt_name and name (more common name first)
Fix path/track details around "Rauschermühle"
fix path types and boundaries of landuse
fix minor data (gates, routes)
Fix web Address, add VHS Kunsthandwerk label (College)
Remove track (not visible and not existing anymore)
Add "Stollen der Erinnering" (tunnel)
fFix path (remove elevator inside the building (not existing), correct path)
Fxi path and builing outline (minor change)