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.

1998/index.html

@@ -507,20 +507,20 @@ message when sending email to the judges.</p>
 </div>
 <p><a href="1998.tar.bz2"><strong>Download all winning entries from 1998</strong></a></p>
 <ul>
-<li><a href="banks/index.html">1998/banks</a> - Best of Show</li>
-<li><a href="bas1/index.html">1998/bas1</a> - Best encapsulation</li>
-<li><a href="bas2/index.html">1998/bas2</a> - Best small program</li>
-<li><a href="chaos/index.html">1998/chaos</a> - Best object orientation</li>
-<li><a href="df/index.html">1998/df</a> - Best data hiding</li>
-<li><a href="dlowe/index.html">1998/dlowe</a> - Best utility</li>
-<li><a href="dloweneil/index.html">1998/dloweneil</a> - Most fun</li>
-<li><a href="dorssel/index.html">1998/dorssel</a> - Obsolescent feature</li>
-<li><a href="fanf/index.html">1998/fanf</a> - Most obfuscated translator</li>
-<li><a href="schnitzi/index.html">1998/schnitzi</a> - Best flow control</li>
-<li><a href="schweikh1/index.html">1998/schweikh1</a> - CPP abuse</li>
-<li><a href="schweikh2/index.html">1998/schweikh2</a> - Most erratic behavior</li>
-<li><a href="schweikh3/index.html">1998/schweikh3</a> - Most space efficient</li>
-<li><a href="tomtorfs/index.html">1998/tomtorfs</a> - Best self-documenting</li>
+<li><a href="banks/index.html"><strong>1998/banks</strong></a> - <strong>Best of Show</strong></li>
+<li><a href="bas1/index.html"><strong>1998/bas1</strong></a> - <strong>Best encapsulation</strong></li>
+<li><a href="bas2/index.html"><strong>1998/bas2</strong></a> - <strong>Best small program</strong></li>
+<li><a href="chaos/index.html"><strong>1998/chaos</strong></a> - <strong>Best object orientation</strong></li>
+<li><a href="df/index.html"><strong>1998/df</strong></a> - <strong>Best data hiding</strong></li>
+<li><a href="dlowe/index.html"><strong>1998/dlowe</strong></a> - <strong>Best utility</strong></li>
+<li><a href="dloweneil/index.html"><strong>1998/dloweneil</strong></a> - <strong>Most fun</strong></li>
+<li><a href="dorssel/index.html"><strong>1998/dorssel</strong></a> - <strong>Obsolescent feature</strong></li>
+<li><a href="fanf/index.html"><strong>1998/fanf</strong></a> - <strong>Most obfuscated translator</strong></li>
+<li><a href="schnitzi/index.html"><strong>1998/schnitzi</strong></a> - <strong>Best flow control</strong></li>
+<li><a href="schweikh1/index.html"><strong>1998/schweikh1</strong></a> - <strong>CPP abuse</strong></li>
+<li><a href="schweikh2/index.html"><strong>1998/schweikh2</strong></a> - <strong>Most erratic behavior</strong></li>
+<li><a href="schweikh3/index.html"><strong>1998/schweikh3</strong></a> - <strong>Most space efficient</strong></li>
+<li><a href="tomtorfs/index.html"><strong>1998/tomtorfs</strong></a> - <strong>Best self-documenting</strong></li>
 </ul>
 <hr style="width:10%;text-align:left;margin-left:0">
 <h4>