Added hrdb_get_dba method, needs to update HiveBaseRunnable to use it
Added hrdb_get_dba method, needs to update HiveBaseRunnable to use it

james-monkeyshines/ensembl-analysis,Ensembl/ensembl-analysis,Ensembl/ensembl-analysis,Ensembl/ensembl-analysis,kiwiroy/ensembl-analysis,kiwiroy/ensembl-analysis,james-monkeyshines/ensembl-analysis,james-monkeyshines/ensembl-analysis