Update copyright year

themes/pleasant/layouts/partials/footer.html

@@ -3,7 +3,7 @@
 		<p>
 		<a rel="license" href="http://creativecommons.org/licenses/by-sa/3.0/deed.en_US">
 			<img alt="CC-BY-SA" style="border-width:0" src="https://licensebuttons.net/l/by-sa/3.0/80x15.png">
-		</a> &copy; 2017 Thomas Dy - Powered by <a href="http://gohugo.io">Hugo</a></p>
+		</a> &copy; 2018 Thomas Dy - Powered by <a href="http://gohugo.io">Hugo</a></p>
 	</footer>
 </div>