Changed version to 50.
Changed version to 50.

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