Improve bin/output-year-index.sh

Make it consistent with my improvement to bin/gen-years.sh: the entry
awards in the links (to each entry) are now in bold and so are the link
names. This helps them stand out a bit more.

1985/index.html

@@ -428,11 +428,11 @@ See also <a href="../faq.html">the IOCCC FAQ</a> for additional information on t
 </div>
 <p><a href="1985.tar.bz2"><strong>Download all winning entries from 1985</strong></a></p>
 <ul>
-<li><a href="applin/index.html">1985/applin</a> - Best one liner</li>
-<li><a href="august/index.html">1985/august</a> - Most obscure program</li>
-<li><a href="lycklama/index.html">1985/lycklama</a> - Strangest appearing program</li>
-<li><a href="shapiro/index.html">1985/shapiro</a> - Grand Prize - Most well rounded in confusion</li>
-<li><a href="sicherman/index.html">1985/sicherman</a> - Worst abuse of the C preprocessor</li>
+<li><a href="applin/index.html"><strong>1985/applin</strong></a> - <strong>Best one liner</strong></li>
+<li><a href="august/index.html"><strong>1985/august</strong></a> - <strong>Most obscure program</strong></li>
+<li><a href="lycklama/index.html"><strong>1985/lycklama</strong></a> - <strong>Strangest appearing program</strong></li>
+<li><a href="shapiro/index.html"><strong>1985/shapiro</strong></a> - <strong>Grand Prize - Most well rounded in confusion</strong></li>
+<li><a href="sicherman/index.html"><strong>1985/sicherman</strong></a> - <strong>Worst abuse of the C preprocessor</strong></li>
 </ul>
 <hr style="width:10%;text-align:left;margin-left:0">
 <h4>