changes made to handle multiple provider name
changes made to handle multiple provider name

mjg17/ensembl,muffato/ensembl,muffato/ensembl,Ensembl/ensembl,muffato/ensembl,mjg17/ensembl,danstaines/ensembl,james-monkeyshines/ensembl,mjg17/ensembl,james-monkeyshines/ensembl,danstaines/ensembl,james-monkeyshines/ensembl,muffato/ensembl,james-monkeyshines/ensembl,danstaines/ensembl,Ensembl/ensembl,Ensembl/ensembl,mjg17/ensembl,Ensembl/ensembl