Better debugging output with .debug

git-svn-id: file:///humgen/gsa-scr1/gsa-engineering/svn_contents/trunk@433 348d0f76-0448-11de-a6fe-93d51630548a

java/src/org/broadinstitute/sting/gatk/traversals/TraverseByLoci.java

@@ -111,6 +111,7 @@ public class TraverseByLoci extends TraversalEngine {
 
             // actually get the read and hand it to the walker
             LocusContext locus = iter.next();
+            logger.debug(String.format("Crossing locus %s with %d reads", locus.getLocation(), locus.numReads()));
             if ( DOWNSAMPLE_BY_COVERAGE )
                 locus.downsampleToCoverage(downsamplingCoverage);