Update license and copyright dates

templates/themes/frameset/news.html

@@ -34,7 +34,7 @@
                 <p class="unimportant" style="margin-top:20px;text-align:center;">- Tinyboard + 
                         <a href="https://engine.vichan.net/">vichan</a> {{ config.version }} -
                 <br>Tinyboard Copyright &copy; 2010-2014 Tinyboard Development Group    
-                <br><a href="https://engine.vichan.net/">vichan</a> Copyright &copy; 2012-2016 vichan-devel</p>
+                <br><a href="https://engine.vichan.net/">vichan</a> Copyright &copy; 2012-2018 vichan-devel</p>
         </footer>
 </body>
 </html>