Initial commit
First version: Rasterize GSHHS shape files
Automate negative buffer
Convert GeoTIFF to GRIB2 using GRIB API

Correct coordinate calculation of GeoTIFFs

Avoid 255=NaN in GeoTIFFs
Use standardized packing type

Use "official" sub-centre number 0

Remove debug output
Add script create_lsm.sh to bind it all together

Use paths relative to base directory