• Converted VariantCallingMetrics to using MergableMetricsBase (#552)
• fix Exception thrown in MergeBamAlignment when NM tag was present (#744)
• add IOUtil.unrollFiles(INPUT, IOUtil.VCF_EXTENSIONS); to MergeVcfs (#729)
• Tests for CollectOxoGMetrics, CollectJumpingLibraryMetrics and BamTBfq classes
• Adding metrics for estimating strand specificity. (#733)