SRS SST gridded - gogoduck layer

 * this is a new layer for the new harvester (not yet deployed). This layer
   will have to be tested on RC first with gogoduck.
   see this record for reference :
   http://catalogue-rc.aodn.org.au/geonetwork/srv/en/metadata.show?uuid=fecf91c3-b7e2-4da7-8573-0657445e645a