The patch looks good to me. Please remove the following comments in method formatStorage() sine they are irrelevant now: "For now, use the namespacedirs and edits dir to save the journal info..."
+1 patch looks good.
Please change initializeJournalStorage(..) private and the comment above to javadoc.
done, removed the invalid comment
done. created javadoc.
Will update the patch shortly.
I have committed this. Thanks, Hari!