fix many internal links

Fixed a number of internal links that need to
go to the GitHub site.

Ran `make www` to perform the above.

2018/ferguson/index.html

@@ -393,9 +393,9 @@ monkey Eric. See <a href="#alternate-code">Alternate code</a> below.</p>
     # For those who want to see if Eric the monkey can type the word &#39;words&#39; before
     # falling asleep or giving up:
     ./monkey-words.sh</code></pre>
-<p>NOTE: the <a href="try.sh">try.sh</a> script will run the other two scripts but if the
-first one, <a href="id.sh">id.sh</a> is terminated early in the try script, the second one,
-<a href="monkey-words.sh">monkey-words.sh</a> will not be run.</p>
+<p>NOTE: the <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2018/ferguson/try.sh">try.sh</a> script will run the other two scripts but if the
+first one, <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2018/ferguson/id.sh">id.sh</a> is terminated early in the try script, the second one,
+<a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2018/ferguson/monkey-words.sh">monkey-words.sh</a> will not be run.</p>
 <p>You can reconfigure certain values. These are described by the author in more
 detail in the <a href="#constants">S, M and N Constants</a> section. The script above will
 make use of some of these.</p>
@@ -417,9 +417,9 @@ about this under the <a href="#keyboards">keyboards</a> section, briefly referre
     # For those who want to see if Eric the monkey can type the word &#39;words&#39; before
     # falling asleep or giving up:
     ./monkey-words.alt.sh</code></pre>
-<p>NOTE: the <a href="try.alt.sh">try.alt.sh</a> script will run the other two scripts but if the
-first one, <a href="id.alt.sh">id.alt.sh</a> is terminated early in the try script, the second one,
-<a href="monkey-words.alt.sh">monkey-words.alt.sh</a> will not be run.</p>
+<p>NOTE: the <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2018/ferguson/try.alt.sh">try.alt.sh</a> script will run the other two scripts but if the
+first one, <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2018/ferguson/id.alt.sh">id.alt.sh</a> is terminated early in the try script, the second one,
+<a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2018/ferguson/monkey-words.alt.sh">monkey-words.alt.sh</a> will not be run.</p>
 <p>You can reconfigure certain values. These are described by the author in more
 detail in the <a href="#constants">S, M and N Constants</a> section. The script above will
 make use of some of these.</p>
@@ -530,7 +530,7 @@ operative phrase is <em>given enough time</em>; but even if it’s extremely unl
 monkey; I thought the monkey had it too easy: unlike his limited keyboard I have
 (besides space) every character in the ASCII range <code>0&lt;=126</code> that
 <code>isprint()</code> returns non-zero except that only capital letters are included;
-the file <a href="prog.alt.c">prog.alt.c</a> has a slightly smaller keyboard. There are some
+the file <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2018/ferguson/prog.alt.c">prog.alt.c</a> has a slightly smaller keyboard. There are some
 additional features I have added (including two Easter eggs); amongst others:
 ability to change the target string and maximum length. See
 <strong><a href="#how">How it works</a></strong>, <strong><a href="#hints">Hints</a></strong> and <strong><a href="#build">How to build</a></strong> for
@@ -1321,7 +1321,7 @@ and don’t you forget it! &lt;3</p>
 <p>Finally I would like to thank my mother for being the best mum anyone could ask
 for, who’s always been here for me and whom I also inherit the keen analytical
 mind from. I love you all!</p>
-<p>I want to also thank <a href="../../authors#Dave_Burton">Dave Burton</a> for acknowledging me in
+<p>I want to also thank <a href="../../authors.html#Dave_Burton">Dave Burton</a> for acknowledging me in
 his [Dave Burton]((../../authors.html#Dave_Burton) for his <a href="../burton2/index.html">2018/burton2</a>
 entry for as he put it ‘being relentless with pursuit of bugs’. To think that it
 was circumstantial to my entry too makes it all the more unlikely but that