docs/news.html: announce -rc3

<ul>

  <li><b>31 January 2009 -- 2009.02-rc3 released</b>

      <p>RC3 is out with more cleanups and bug fixes. Unless big issues

    are found, expect this to be the last release candidate before the

    release - So give it a good test.</p>

    <p>Head to the <a href="/downloads/">downloads page</a> to pick up the

    <a href="/downloads/buildroot-2009.02-rc3.tar.bz2">2009.02-rc3

    release candidate</a>, and report any problems found to the <a

    href="lists.html">mailing list</a> or <a

    href="http://bugs.uclibc.org">bug tracker</a>.</p>

  <li><b>23 January 2009 -- 2009.02-rc2 released</b>

    <p>Another week, another release candidate with a bunch of

    cleanups and build fixes.</p>