Add Behrenfeld-Falkowski production calculation.
updated web links for ocean colour site to https
added a c (renamed package) to avoid BioConductor/CRAN clash
remove some C (Rcpp function bin2lonlat) in favour of R vectorized version
new functions read_binlist and read_compound to provide support for
L3 bin readers
removed dependence on rgdal
removed dependence on raadtools
removed regrid, to be replaced
use tibble not data_frame
roc now imports Bioconductor package rhdf5 for the L3 bin files
removed dependency on rrshdf4