Change 'Best of show' to 'Best of Show'

This fixes an inconsistency in case. The spreadsheet in tmp,
year_prize.numbers and the year_prize.csv files were updated also (with
the ./fix_csv.sh run under tmp/).

There was no need to manually update the index.html, any other html
files or .entry.json files as I used sgit(1) to change the case.

1988/index.html

@@ -435,7 +435,7 @@ See also <a href="../faq.html">the IOCCC FAQ</a> for additional information on t
 </div>
 <p><strong>Download</strong> all <a href="1988/1988.tar.bz2">1988 IOCCC entry source</a></p>
 <ul>
-<li><a href="applin/index.html">1988/applin</a> - Best of show</li>
+<li><a href="applin/index.html">1988/applin</a> - Best of Show</li>
 <li><a href="dale/index.html">1988/dale</a> - Best abuse of system calls</li>
 <li><a href="isaak/index.html">1988/isaak</a> - Best visuals</li>
 <li><a href="litmaath/index.html">1988/litmaath</a> - Best small program</li>