Cleaned up DBAdaptor some more: removed some useless constructor code, deprecated some more functions, placed warnings in ExternalFeatureFactory related methods (they are not implemented, and may be removed completely soon)
Cleaned up DBAdaptor some more: removed some useless constructor code, deprecated some more functions, placed warnings in ExternalFeatureFactory related methods (they are not implemented, and may be removed completely soon)

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