Add Codetrails link on main EPP page as 'Active Contributor'

Change-Id: I77c3ce0e39708b85876b4ae2ee65252b391f60ee
Signed-off-by: Markus Knauer <mknauer@eclipsesource.com>
diff --git a/index.php b/index.php
index dfe3359..9140265 100644
--- a/index.php
+++ b/index.php
@@ -103,6 +103,7 @@
 <h6>Active Contributors</h6>
 <ul>
 	<li><a href="http://www.eclipsesource.com">EclipseSource</a></li>
+	<li><a href="http://www.codetrails.com">Codetrails</a></li>
 </ul>
 </div>
 </div>