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.

2006/index.html

@@ -453,20 +453,20 @@ See also <a href="../faq.html">the IOCCC FAQ</a> for additional information on t
 </div>
 <p><a href="2006.tar.bz2"><strong>Download all winning entries from 2006</strong></a></p>
 <ul>
-<li><a href="birken/index.html">2006/birken</a> - EDAMAME Award</li>
-<li><a href="borsanyi/index.html">2006/borsanyi</a> - Most useful</li>
-<li><a href="grothe/index.html">2006/grothe</a> - Most obfuscated audio</li>
-<li><a href="hamre/index.html">2006/hamre</a> - Most irrational</li>
-<li><a href="meyer/index.html">2006/meyer</a> - Best game</li>
-<li><a href="monge/index.html">2006/monge</a> - Best compiled graphics</li>
-<li><a href="night/index.html">2006/night</a> - Best abuse of computation</li>
-<li><a href="sloane/index.html">2006/sloane</a> - Homer’s favorite</li>
-<li><a href="stewart/index.html">2006/stewart</a> - Best computed graphics</li>
-<li><a href="sykes1/index.html">2006/sykes1</a> - Best assembler</li>
-<li><a href="sykes2/index.html">2006/sykes2</a> - Best one liner</li>
-<li><a href="toledo1/index.html">2006/toledo1</a> - Best small program</li>
-<li><a href="toledo2/index.html">2006/toledo2</a> - Best of Show</li>
-<li><a href="toledo3/index.html">2006/toledo3</a> - Most portable chess set</li>
+<li><a href="birken/index.html"><strong>2006/birken</strong></a> - <strong>EDAMAME Award</strong></li>
+<li><a href="borsanyi/index.html"><strong>2006/borsanyi</strong></a> - <strong>Most useful</strong></li>
+<li><a href="grothe/index.html"><strong>2006/grothe</strong></a> - <strong>Most obfuscated audio</strong></li>
+<li><a href="hamre/index.html"><strong>2006/hamre</strong></a> - <strong>Most irrational</strong></li>
+<li><a href="meyer/index.html"><strong>2006/meyer</strong></a> - <strong>Best game</strong></li>
+<li><a href="monge/index.html"><strong>2006/monge</strong></a> - <strong>Best compiled graphics</strong></li>
+<li><a href="night/index.html"><strong>2006/night</strong></a> - <strong>Best abuse of computation</strong></li>
+<li><a href="sloane/index.html"><strong>2006/sloane</strong></a> - <strong>Homer’s favorite</strong></li>
+<li><a href="stewart/index.html"><strong>2006/stewart</strong></a> - <strong>Best computed graphics</strong></li>
+<li><a href="sykes1/index.html"><strong>2006/sykes1</strong></a> - <strong>Best assembler</strong></li>
+<li><a href="sykes2/index.html"><strong>2006/sykes2</strong></a> - <strong>Best one liner</strong></li>
+<li><a href="toledo1/index.html"><strong>2006/toledo1</strong></a> - <strong>Best small program</strong></li>
+<li><a href="toledo2/index.html"><strong>2006/toledo2</strong></a> - <strong>Best of Show</strong></li>
+<li><a href="toledo3/index.html"><strong>2006/toledo3</strong></a> - <strong>Most portable chess set</strong></li>
 </ul>
 <hr style="width:10%;text-align:left;margin-left:0">
 <h4>