[patch] add some formatting to webdav browsing

This patch actually adds some newlines to the html output. I was trying
to test some other changes, but it was pretty difficult to see when the
html returned was a single line :)

Anyway, this also adds a ".." link to go to the parent directory.

-- 
 .----------=======-=-======-=========-----------=====------------=-=-----.
/       Ben Collins    --    Debian GNU/Linux    --    WatchGuard.com      \
`          bcollins@debian.org   --   Ben.Collins@watchguard.com           '
 `---=========------=======-------------=-=-----=-===-======-------=--=---'

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