simplified table_node_name generation and merged the two instances of DuplicateTables-based decision to a single point
simplified table_node_name generation and merged the two instances of DuplicateTables-based decision to a single point

Ensembl/ensembl-hive,Ensembl/ensembl-hive,Ensembl/ensembl-hive,Ensembl/ensembl-hive