Fixed issue 5, add a way for user to manage their account.

Also added for each user a small public profile.

www/media/idf/css/style.css

@@ -37,6 +37,10 @@
   color: #a00;
 }
 
+a.userw { 
+  color: #000;
+}
+
 .mono { 
   font-family: monospace;
 }