Create icons for road tags, supported by OSM standard tile layer

[enzet]

• [x] oneway=yes,
• [x] barrier=gate,
• [x] highway=traffic_signals,
• [x] railway=level_crossing,
• [x] railway=crossing,
• [x] barrier=bollard,
• [x] barrier=block,
• [x] barrier=turnstile,
• [x] barrier=log,
• [x] barrier=lift_gate,
• [ ] barrier=swing_gate,
• [ ] barrier=cycle_barrier,
• [ ] barrier=stile,
• [ ] highway=mini_roundabout,
• [x] barrier=toll_booth,
• [ ] barrier=cattle_grid,
• [ ] barrier=kissing_gate,
• [ ] barrier=full-height_turnstile,
• [ ] barrier=motorcycle_barrier,
• [x] ford=yes,
• [ ] ford=stepping_stones.
• [ ] waterway=dam,
• [ ] waterway=weir,
• [ ] waterway=lock_gate,
• [ ] mountain_pass=yes.