add:

add:
- roundabout
- rail electrification (inc voltage and frequency)
- service road categories
- religions for place of worship
- sports pitch types (sports)
- power station energy sources
- fuel types for petrol stations
- turning circle
- traffic calming

fix:
- road lanes (slider not implemented)
- spelling of laundrette

icons:
- icons/power_pole_24.png, icons/speed_hump_16.png, icons/power_tower_24.png (please replace at earliest convenience)