Add GRIB file with missing values.

Needed to test the handling of missing values in GRIB messages. The
file is around 14 Kb in size.
Added a gzipped ieee 32bit Fieldsfile.
Merge pull request #6 from ajdawson/grib-missing-values

Add GRIB file with missing values.
polar stereo grib
Merge pull request #7 from pelson/ff32_ieee

Added a gzipped ieee 32bit Fieldsfile.
Merge pull request #3 from bblay/ps_grib

polar stereo grib
Added NAME data.
Added test file that has a transverse Mercator grid mapping.
Merge pull request #4 from esc24/tmerc_and_clim_netcdf

Added climatological test file that has a transverse Mercator grid mapping.
Merge pull request #8 from esc24/name_cropped_data

Added NAME data.
lambert grib
name trajectory
Merge pull request #10 from bblay/lambert_grib

lambert grib
Merge pull request #13 from bblay/nametraj

name trajectory
grib bulletins
Merge pull request #16 from bblay/wmogrib

grib bulletins