update copyright year to 2024

Author: joslloand

_includes/footer.html

@@ -4,7 +4,7 @@
       <div class="col-md-12">
 
         <hr/>
-        <p class="text-center small">Copyright the ATK Community, 2016-2023.</p>
+        <p class="text-center small">Copyright the ATK Community, 2016-2024.</p>
 
         <!--
         <h2 class="footer-heading">{{ site.title }}</h2>

download/kernels.md

@@ -51,4 +51,4 @@ Atk.openUserSupportDir;
 
 <a rel="license" href="http://creativecommons.org/licenses/by-sa/3.0/"><img alt="Creative Commons License" style="border-width:0" src="https://i.creativecommons.org/l/by-sa/3.0/88x31.png" /></a><br />The Ambisonic Toolkit Kernels package is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-sa/3.0/">Creative Commons Attribution-ShareAlike 3.0 Unported License</a>.
 
-Copyright the [Ambisonic Toolkit](https://ambisonictoolkit.net) Community and Joseph Anderson, 2011-2023.
+Copyright the [Ambisonic Toolkit](https://ambisonictoolkit.net) Community and Joseph Anderson, 2011-2024.

download/matrices.md

@@ -51,4 +51,4 @@ Atk.openUserSupportDir;
 
 <a rel="license" href="http://creativecommons.org/licenses/by-sa/3.0/"><img alt="Creative Commons License" style="border-width:0" src="https://i.creativecommons.org/l/by-sa/3.0/88x31.png" /></a><br />The Ambisonic Toolkit Matrices package is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-sa/3.0/">Creative Commons Attribution-ShareAlike 3.0 Unported License</a>.
 
-Copyright the [Ambisonic Toolkit](http://ambisonictoolkit.net) Community and Joseph Anderson, 2017-2023.
+Copyright the [Ambisonic Toolkit](http://ambisonictoolkit.net) Community and Joseph Anderson, 2017-2024.