Loading files from folders IHData/{CODAR|METEO|WAVES} every x seconds.
Fix problem that make waves data not to load.
Added IHData folder to gitignore.
Change the defaults of waves visibility and debug flag.
Added categories to parameters.
If the resource does not exist return null right away and don't catch the exception (FileUtil).
Loading files in order and remove the previous value if same timestamp (to override forecasts).
Adding option for legend for SST, currents, and wind.