load Benchfib in amber dev environment

internal/index.html

@@ -16,7 +16,7 @@
 <script type='text/javascript'>
 //    require.config({baseUrl: '..'});
     require(
-        ["amber/devel", "amber-attic/IDE", "helios/all", "amber_cli/AmberCli"],
+        ["amber/devel", "amber-attic/IDE", "amber-attic/Benchfib", "helios/all", "amber_cli/AmberCli"],
         function (amber) {
             amber.initialize({'transport.defaultAmdNamespace': "amber_core"});
         }