Fix 2006/sloane award title

There was a typo which had Homer''s instead of Homer's. This has been
corrected in the tmp/year_prize.numbers, tmp/year_prize.csv,
2006/sloane/.entry.json, 2006/sloane/index.html and years.html files.

years.html

@@ -817,7 +817,7 @@
 <a href="2006/night/index.html"><strong>2006/night</strong></a> - <strong>Best Abuse of Computation</strong>
 </div></li>
 <li><div id="2006_sloane">
-<a href="2006/sloane/index.html"><strong>2006/sloane</strong></a> - <strong>Homer’’s Favorite</strong>
+<a href="2006/sloane/index.html"><strong>2006/sloane</strong></a> - <strong>Homer’s Favorite</strong>
 </div></li>
 <li><div id="2006_stewart">
 <a href="2006/stewart/index.html"><strong>2006/stewart</strong></a> - <strong>Best Computed Graphics</strong>