update playground objects

update paths in park

update paths in park from gpx, add fitness_station

update building outline of new buildings from alkis

update addresses of new buildings

delete old driveway, re-draw old building polygons after construction of new buildings finished

Specify memorial types

Specify whether there are cycleways

Specify bicycle parking capacities

Specify bicycle parking types

Specify bicycle parkings covers

Specify paths smoothness

Specify path surfaces

Survey whether benches have backrests

Survey small map features

Specify whether crosswalks have tactile paving

Specify whether kerbs have tactile paving

Determine the heights of kerbs

Specify whether roads have sidewalks

Specify fire hydrant diameters