Also
- use field inheritance to simplify presets
- rename multipurpose to "Golf Cartpath / Service Road"
(I think users would understand this better)
- add `maxspeed` to "Golf Cartpath / Service Road"
* Reevaluate all featuers stroke widths for shadow, casing, stroke
* Shadow width is important to make sure all features are easily clickable
* Casing width is important to see oneway arrows
* Make sure all line styles have normal and low-zoom variants
* Show directional arrows for all waterway types