Fix copyright and update translations

Author: duncte123

src/app/_layout/footer/footer-bar/footer-bar.component.html

@@ -6,7 +6,7 @@
     <app-footer-patrons></app-footer-patrons>
     <br>
     <p>
-      &copy; <span onclick="here_comes()">{{ thisYear }}</span>
+      &copy; <span onclick="here_comes()">2019-{{ thisYear }}</span>
       <a href="https://dhgmedia.nl/?ref=oengus" target="_blank">DHG Media</a>
       - Oengus and all branding assets are owned by <a href="https://dhgmedia.nl/?ref=oengus" target="_blank">DHG Media</a>
       <!-- Using normal link here so it works properly -->