Added a few features around Building 155 and the Field Offices

Added Parsons Construction Offices using self-obtained data from OSMTracker

Updated library to gym

Added Sidewalks and crossings

Specify whether there are crossings at intersections of paths and roads

Specify whether places take fees to visit

Survey whether benches have backrests

Survey availability of air compressors

Specify drinking water types

Specify which way leads up for steps

Specify whether steps have handrails

Specify whether combined foot- and cycleways are segregated

Specify bicycle parking types

Specify bicycle parkings covers

Specify access to playgrounds

Specify whether parking requires a fee

Specify parking access

Specify parking types

Specify whether pitches are lit

Specify whether pedestrian crossings have islands