JPSSnagg

Check in changes for initial implementation of "-g no".
nagg_main.c
    Added total_nproducts = nproducts with -g no or nproducts+1 otherwise.
    Calling nagg_get_granules with geofiles_arg to not search for geo files or granules.
    Calling nagg_select_granules with total_nproducts to get correct granule numbers selected.
    Set geofilename=NULL for -g no.
nagg.h
    Add total_nproducts parameter to select_granule function prototype.
nagg_write_granule.c
    Error message improvements.
nagg_get_granules.c
    Skip code to search for geo files and to add ge granules to granule table with -g no.
    Error message improvement.
nagg_select_granules.c
    Add total_nproducts parameter = nproducts with -g no or nproducts+1 otherwise.

Tested on jam and koala with h5cc/gcc and h5cc/icc.