ENSCORESW-2805: set generic sources for metazoa
ENSCORESW-2805: set generic sources for metazoa

muffato/ensembl,james-monkeyshines/ensembl,james-monkeyshines/ensembl,muffato/ensembl,james-monkeyshines/ensembl,muffato/ensembl,Ensembl/ensembl,muffato/ensembl,Ensembl/ensembl,james-monkeyshines/ensembl,Ensembl/ensembl,Ensembl/ensembl