SRS SST gogoduck - Fix harvester

 * Change in main iharvester...(url) to inewRessources(url). The component was
   changed in previous version, but not the input of the subjob. Since the data
   was already locally harvested, there were no new ressources, and no bugs
 * Cleaned the context values
Merge pull request #134 from aodn/srs_sst_gogoduckResolveNULL

SRS SST gogoduck - Fix harvester