362 & 257 band names & units for landsat products

[ra-tolson]

Fixes 362 and fixes 257; gips_config env completes successfully for landsat bands now:

sqlite> select count(*) from dbinv_datavariable where name like 'landsat%';
count(*)  
----------
80        
sqlite> select name, units from dbinv_datavariable where name like 'landsat%' limit 20;
name                units      
------------------  -----------
landsat_dn_COASTAL  W/m^2/sr/um
landsat_dn_BLUE     W/m^2/sr/um
landsat_dn_GREEN    W/m^2/sr/um
landsat_dn_RED      W/m^2/sr/um
landsat_dn_NIR      W/m^2/sr/um
landsat_dn_SWIR1    W/m^2/sr/um
landsat_dn_SWIR2    W/m^2/sr/um
landsat_dn_CIRRUS   W/m^2/sr/um
landsat_rad_COASTA  W/m^2/sr/um
landsat_rad_BLUE    W/m^2/sr/um
landsat_rad_GREEN   W/m^2/sr/um
landsat_rad_RED     W/m^2/sr/um
landsat_rad_NIR     W/m^2/sr/um
landsat_rad_SWIR1   W/m^2/sr/um
landsat_rad_SWIR2   W/m^2/sr/um
landsat_rad_CIRRUS  W/m^2/sr/um
landsat_acoflags_a  unitless   
landsat_ndsi_ndsi   unitless   
landsat_evi_evi     unitless   
landsat_spm655_spm  g/m^3

[ra-tolson]

Oops, I guess I forgot that rule and was confused by modis, which has 'units' in the DH branch but not in dev.

[ra-tolson]

New PR will be issued against dev, this branch is an orphan.