Several manifest updates

Changed 'description of entry in JSON' to 'entry summary and manifest in
JSON'.

Changed 'how to run' (for try scripts) to 'script to try entry'.

Changed 'how to run if you have the primes utility' to 'script to try
entry if you have the primes utility'.

Changed 'how to run alternative code' to 'script to try alternative
code'.

A number of other more specific (to particular entries or maybe even a
single entry, 2019/ciura if not any others) descriptions were also
changed.

Rebuilt index.html and .entry.json files.

2020/kurdyukov2/index.html

@@ -492,7 +492,7 @@ For instance after running the command suggested by the judges:</p>
 <li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2020/kurdyukov2/prog.c">prog.c</a> - entry source</li>
 <li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2020/kurdyukov2/Makefile">Makefile</a> - entry Makefile</li>
 <li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2020/kurdyukov2/prog.orig.c">prog.orig.c</a> - original source</li>
-<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2020/kurdyukov2/try.sh">try.sh</a> - how to run</li>
+<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2020/kurdyukov2/try.sh">try.sh</a> - script to try entry</li>
 <li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2020/kurdyukov2/makegif.sh">makegif.sh</a> - utility to form GIFs from the results</li>
 <li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2020/kurdyukov2/prog.png.c">prog.png.c</a> - build a PNG version</li>
 <li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2020/kurdyukov2/prog.ppm.c">prog.ppm.c</a> - build a PPM version</li>
@@ -502,7 +502,7 @@ For instance after running the command suggested by the judges:</p>
 <ul>
 <li><a href="2020_kurdyukov2.tar.bz2">2020_kurdyukov2.tar.bz2</a> - download entry tarball</li>
 <li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2020/kurdyukov2/README.md">README.md</a> - markdown source for this web page</li>
-<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2020/kurdyukov2/.entry.json">.entry.json</a> - description of entry in JSON</li>
+<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2020/kurdyukov2/.entry.json">.entry.json</a> - entry summary and manifest in JSON</li>
 <li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2020/kurdyukov2/.gitignore">.gitignore</a> - list of files that should not be committed under git</li>
 <li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2020/kurdyukov2/.path">.path</a> - directory path from top directory</li>
 <li><a href="index.html">index.html</a> - this web page</li>