* tz-art.htm: Correct the Peanuts quote.

Fix broken links and remove a broken-linked book that wasn't
that notable anyway.  Use italics for book and movie titles.
* tz-link.htm: Retitle "formats" section to "protocols"

and update it in the light of the tzdist effort.
Mention Microsoft Windows alongside other OSes.
* NEWS: Reorganize recent code news clarity, and mention tzdist.
* NEWS: Fix misspelled identifier.  (Thanks to Brian Inglis.)