Added pongo pyg thingy as an alias so the xrefs work for one source
Added pongo pyg thingy as an alias so the xrefs work for one source

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