JPSSnagg

testnagg.sh
    Added packaged with -g default test, packaged and unpackaged with -g no tests.
nagg__main.c
    Added workaround to set geoproduct to NULL when -g no.
    Changed nagg_get_granules geoproduct parameter from char** to char*.
    Added granule_pattern_array
nagg.h
    Added granule_pattern_t structure
    Added granule_pattern_array
nagg_get_granule.c
    Changed and renamed group_finder functor to function get_group_granules to get graules of requested products.
    Made changes to get GEO granules from packaged files as well as external GEO files.
    Added set_granule_pattern function to save information needed to write fill granules from the beginning.
nagg_product.c
    Added source information to comment block of tables.