Fixed Grid::transform_to_dap4() so maps have correct names (FQN names)
Fixed Grid::transform_to_dap4() so maps have correct names (FQN names)

OPENDAP/libdap4,OPENDAP/libdap4,OPENDAP/libdap4,OPENDAP/libdap4,OPENDAP/libdap4,OPENDAP/libdap4