Added GRIN database xref stanza
Added GRIN database xref stanza

hattrill/go-site,geneontology/go-site,hattrill/go-site,hattrill/go-site,geneontology/go-site,geneontology/go-site,hattrill/go-site,hattrill/go-site,geneontology/go-site,geneontology/go-site