Show version information in footer

Change-Id: Ib976168f8bdea14a092436f4e17441e8533405b1
diff --git a/templates/en/footer.html.ep b/templates/en/footer.html.ep
index 6b783f1..eb3dafa 100644
--- a/templates/en/footer.html.ep
+++ b/templates/en/footer.html.ep
@@ -1,4 +1,4 @@
-<a href="#tabs-4" onclick='$( "#tabs" ).tabs( "option", "active", 3 );' title="">About DeReKoVecs</a>
+<a href="#tabs-4" onclick='$( "#tabs" ).tabs( "option", "active", 3 );' title="">About DeReKoVecs (v <%= $version %>)</a>
 | <a href="https://www1.ids-mannheim.de/kl/projekte/methoden.html" title="">Contact</a>
 | <a href="https://www1.ids-mannheim.de/allgemein/datenschutz.html" title="">Privacy</a>
 | <a href="https://www1.ids-mannheim.de/allgemein/impressum.html" title="">Impressum</a>