Updated copyright stuff

web/regex_tester.html

@@ -626,9 +626,12 @@ I18N:
 <a href="http://perldoc.perl.org/perllocale.html" target="_blank">Locales</a>.
 </div>
 
-<div style="margin-top:1em;font-size:0.8em">
-Author, Copyright, and License: see
-<a href="https://github.com/haukex/webperl/blob/master/web/regex_tester.html" target="_blank">the source code of this file</a>.<br/>
+<div style="margin-top:1em;font-size:0.8em;font-style:italic;">
+Copyright &copy; 2018 Hauke Daempfling (haukex@zero-g.net)
+at the Leibniz Institute of Freshwater Ecology and Inland Fisheries (IGB),
+Berlin, Germany, <a href="http://www.igb-berlin.de" target="_blank">http://www.igb-berlin.de</a>.
+For details, please see
+<a href="https://github.com/haukex/webperl/blob/master/web/regex_tester.html" target="_blank">the source code of this file</a>.
 </div>
 
 </body>