nginx 0.7.3

Changes with nginx 0.7.3                                         23 Jun 2008

   *) Change: the "rss" extension MIME type has been changed to
      "application/rss+xml".

   *) Change: now the "gzip_vary" directive turned on issues a
      "Vary: Accept-Encoding" header line for uncompressed responses too.

   *) Feature: now the "rewrite" directive does a redirect automatically
      if the "https://" protocol is used.

   *) Bugfix: the "proxy_pass" directive did not work with the HTTPS
      protocol; the bug had appeared in 0.6.9.