Fet: convert building nodes to areas using N50 data

Fet: improve building outlines from newer images

Fet: convert garage node to area from N50

Fet: convert building nodes to areas using NiB

Sørumsand: convert building nodes to areas from NiB and N50

Frogner: convert building nodes to areas based on provisional N50 data

Specify building and roof levels

Add main entrance and move bike parking to the right place

Lillestrøm: clean up tagging of a few foot and cycle paths

Lillestrøm: attach lift gate to way

Lillestrøm: extend and improve sidewalk, add crossings and surface

Sørumsand: improve and add sidewalks and crossings

Fetsund: crossing and intersection cleanup and move give_way slightly to correct positions

Fetsund: clean up sidewalks a bit, tag crossings and surface

Lillestrøm: add surface to sidewalks

Kjeller: clean up some foot and cycle way tagging

Remove sidewalk tag from way that is clearly not a sidewalk

Fet: improve sidewalk and cycleway layout a bit

Fet: add surface to sidewalks and crossings

Lillestrøm: add surface to sidewalks and crossings