Add column source in a specific order so the table definition comparison between a patched db and current one succeeds
Add column source in a specific order so the table definition comparison between a patched db and current one succeeds

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