Seamap: seamark:type=fog_signal
Seamap: seamark:type=radar_transponder
Seamap: platform
Seamap: seamark:type=separation_*
Seamap: light_major small icon. Removed water outline (from default also) because it causes more downsides than benefits. Tweak minzooms.
Seamap: fix colour_pattern
Add shader for wetland=tidalflat
Seamap: radio stations
Seamap: landmarks