move s52ui wsUri to html, move out test/ref_dump/s52droid..png
fix sync snd/rcv Websocket
fix define GCPTR
new, apitrace notes
refactor
mod S52_MAR_DISP_RASTER to S52_MAR_DISP_RASTER_LAYER
code clean-up
add notes
 mod S52_MAR_DISP_RASTER to S52_MAR_DISP_RADAR_LAYER