updated datasets.xml to match Ensembl converter
updated datasets.xml to match Ensembl converter



Former-commit-id: 76ce74cd44941a57576bd01a46952516fa3dd579
julie-sullivan/phytomine,julie-sullivan/phytomine,julie-sullivan/phytomine,julie-sullivan/phytomine,julie-sullivan/phytomine,julie-sullivan/phytomine,julie-sullivan/phytomine