Changed external_db.db_name to 40 characters to prevent long names being truncated.
Changed external_db.db_name to 40 characters to prevent long names being truncated.

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