Added the html5 shim to support IE8 and earlier.
Pulled the niche top level stylesheet back in to get alert highlighting.
Shifted where the message box goes so it wraps to the main content area.
Fixed the link view to match the front page 'links' formatting.
Changed the comment box to always show.
Added Markdown support for links and comments.
Split ConfigParser out so the defaults and a lists are common.
Fix the archive by limiting the end date to 2037.  Needed on brik as
its got an old libc.
Add a simple filter to the archive.