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.

2019/giles/README.md

@@ -19,7 +19,7 @@
 ```
 
 
-NOTE: `play`, which [try.sh](try.sh) uses, comes from SoX, the Swiss Army Knife
+NOTE: `play`, which [try.sh](%%REPO_URL%%/2019/giles/try.sh) uses, comes from SoX, the Swiss Army Knife
 of sound processing programs.  If you don't have this installed, see [FAQ 3.10:
 How do I compile and use an IOCCC entry that requires sound](../../faq.html#sox).
 

2019/giles/index.html

@@ -383,7 +383,7 @@ Location: <a href="../../location.html#AU">AU</a> - <em>Commonwealth of Australi
 <pre><code>    ./prog infile.wav outfile.wav</code></pre>
 <h2 id="try">Try:</h2>
 <pre><code>    ./try.sh</code></pre>
-<p>NOTE: <code>play</code>, which <a href="try.sh">try.sh</a> uses, comes from SoX, the Swiss Army Knife
+<p>NOTE: <code>play</code>, which <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/giles/try.sh">try.sh</a> uses, comes from SoX, the Swiss Army Knife
 of sound processing programs. If you don’t have this installed, see <a href="../../faq.html#sox">FAQ 3.10:
 How do I compile and use an IOCCC entry that requires sound</a>.</p>
 <h2 id="judges-remarks">Judges’ remarks:</h2>