Added Martijn Vermaat to "about" page.

git-svn-id: https://humgenprojects.lumc.nl/svn/mutalyzer/trunk@196 eb6bd6ab-9ccd-42b9-aceb-e2899b4a52f1

templates/about.html

@@ -15,6 +15,8 @@
             by Gerben R. Stouten.</li>
         <li>The position converter interfaces (webservice and WWW) are
             written by Gerard C. P. Schaafsma.</li>
+        <li>Development of several smaller features and maintenance
+            programming is done by Martijn Vermaat.</li>
       </ul>
       Specifications are given by Peter E. M. Taschner and Johan T. den 
       Dunnen.<br>