use external db display name rather than dbname for source in descriptions
use external db display name rather than dbname for source in descriptions

muffato/ensembl,danstaines/ensembl,willmclaren/ensembl,james-monkeyshines/ensembl,mjg17/ensembl,Ensembl/ensembl,danstaines/ensembl,james-monkeyshines/ensembl,james-monkeyshines/ensembl,at7/ensembl,muffato/ensembl,Ensembl/ensembl,Ensembl/ensembl,at7/ensembl,muffato/ensembl,james-monkeyshines/ensembl,mjg17/ensembl,at7/ensembl,danstaines/ensembl,muffato/ensembl,willmclaren/ensembl,mjg17/ensembl,Ensembl/ensembl,mjg17/ensembl,at7/ensembl