UniRS: adapt for subwayMode. Tweak subwayMode.
Tweak subway colors
Tweak text and text halo colors in day mode
Add colored subway entrance icons. Add names to railway=station in subwayMode at 12-13 zooms. Tweaks.
Add missing pngs, tweaks
Fix order of subway_entrance icon
Tweak subway stations and entrances fonts
Add white_black_round_shield and redraw subway_entrance_yellow icon