update index.html and .entry.json per recent manifest changes

Every index.html file (for entries) was updated as the tarball download
description was changed to 'download entry source' (though I think this
is a mistake as the C file is described as 'entry source' so it's
ambiguous - that might be fixed soon or it mightn't be until some other
changes are made that need a manifest update).

2013/cable3/index.html

@@ -571,7 +571,7 @@ https://creativecommons.org/licenses/by-sa/4.0/</p>
 <li><a href="index.html">index.html</a> - entry home page</li>
 <li><a
 href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/cable3/cable3.c">cable3.c</a>
-- winning source</li>
+- entry source</li>
 <li><a
 href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/cable3/Makefile">Makefile</a>
 - entry Makefile</li>
@@ -603,7 +603,7 @@ file will correctly display console apps</li>
 href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/cable3/bios.asm">bios.asm</a>
 - BIOS source in assembly</li>
 <li><a href="2013_cable3.tar.bz2">2013_cable3.tar.bz2</a> - download
-winning source</li>
+entry source</li>
 </ul>
 <h2 id="secondary-files">Secondary files</h2>
 <ul>