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.

1993/index.html

@@ -457,17 +457,17 @@ to serve as official taste testers. And as usual, the food was excellent.</p>
 </div>
 <p><a href="1993.tar.bz2"><strong>Download all winning entries from 1993</strong></a></p>
 <ul>
-<li><a href="ant/index.html">1993/ant</a> - Best utility</li>
-<li><a href="cmills/index.html">1993/cmills</a> - Bill Gates Award</li>
-<li><a href="dgibson/index.html">1993/dgibson</a> - Best abuse of the C preprocessor</li>
-<li><a href="ejb/index.html">1993/ejb</a> - Best obfuscated algorithm</li>
-<li><a href="jonth/index.html">1993/jonth</a> - Most obfuscated X program</li>
-<li><a href="leo/index.html">1993/leo</a> - Best game</li>
-<li><a href="lmfjyh/index.html">1993/lmfjyh</a> - Most versatile source</li>
-<li><a href="plummer/index.html">1993/plummer</a> - Best one liner</li>
-<li><a href="rince/index.html">1993/rince</a> - Most well rounded</li>
-<li><a href="schnitzi/index.html">1993/schnitzi</a> - Obfuscated Intelligence Award</li>
-<li><a href="vanb/index.html">1993/vanb</a> - Most irregular expression</li>
+<li><a href="ant/index.html"><strong>1993/ant</strong></a> - <strong>Best utility</strong></li>
+<li><a href="cmills/index.html"><strong>1993/cmills</strong></a> - <strong>Bill Gates Award</strong></li>
+<li><a href="dgibson/index.html"><strong>1993/dgibson</strong></a> - <strong>Best abuse of the C preprocessor</strong></li>
+<li><a href="ejb/index.html"><strong>1993/ejb</strong></a> - <strong>Best obfuscated algorithm</strong></li>
+<li><a href="jonth/index.html"><strong>1993/jonth</strong></a> - <strong>Most obfuscated X program</strong></li>
+<li><a href="leo/index.html"><strong>1993/leo</strong></a> - <strong>Best game</strong></li>
+<li><a href="lmfjyh/index.html"><strong>1993/lmfjyh</strong></a> - <strong>Most versatile source</strong></li>
+<li><a href="plummer/index.html"><strong>1993/plummer</strong></a> - <strong>Best one liner</strong></li>
+<li><a href="rince/index.html"><strong>1993/rince</strong></a> - <strong>Most well rounded</strong></li>
+<li><a href="schnitzi/index.html"><strong>1993/schnitzi</strong></a> - <strong>Obfuscated Intelligence Award</strong></li>
+<li><a href="vanb/index.html"><strong>1993/vanb</strong></a> - <strong>Most irregular expression</strong></li>
 </ul>
 <hr style="width:10%;text-align:left;margin-left:0">
 <h4>