Adjusted via_ferrata_scale following dav suggestion for hüsler<->schall conversion, changed highway=path to via_ferrata where diff>2

Repaired river going all across the hill

Edited path bärenloch

Corrected Trails with strava heat map and satellite imagery, adjusted sac_scale of several paths

Restored by a user corrupted tagging of some paths, kept all paths which are still in use according to strava heat map

Adjusted via_ferrata tagging so that only ferrata parts are tagged as such, via_ferrata_scale of Rotwand adjusted

Changed highway=via_ferrata to path where it is not a primary via ferrata (left safety rope=yes and via_ferrata_scale unchanged, as it is common practice), or just not a via ferrata anymore, increased difficulty for uppermost path

Adjusted bivacco pos and corrected paths with strava heatmap

Adjusted Via ferrata laurenzi with Strava heat map and orthfoto, added via_ferrata_scale for the via ferrata segments

tagging and adjusting of paths around Hermann von Barth hut

Changed sac_scale for some paths, tagged alpine huts and added to relations

reverted deletion of 1204723715

Added two saddles

added grassland

tracks and landuse adjusted

changed paths and landuse, removed path going through steep wall where no path is possible (and not existing as far as i know)

Added some paths / tracks

Corrected Trails and natural areas according to Satellite images

corrected glacier size and path

unified track which is not on glacier anymore