simplification of some of the locus traversal code.
git-svn-id: file:///humgen/gsa-scr1/gsa-engineering/svn_contents/trunk@2886 348d0f76-0448-11de-a6fe-93d51630548a
Also a fix to the GLF tests, and a correction to PrintReadsWalker to remove the close() on the output source, the source handles that itself (and you get a double close).
git-svn-id: file:///humgen/gsa-scr1/gsa-engineering/svn_contents/trunk@1758 348d0f76-0448-11de-a6fe-93d51630548a