Queen::synchronize_analysis_stats changed the way the AnalysisStats::num_required_workers is calculated.  If batch_size>0 use batch_size, else use avg_msec_per_job equation.
Queen::synchronize_analysis_stats changed the way the AnalysisStats::num_required_workers
is calculated.  If batch_size>0 use batch_size, else use avg_msec_per_job equation.

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