OF-778: Update LDAP setup pages

Includes update of prototype.js from 1.7 to 1.7.2 (latest released
version).

src/web/setup/ldap-group.jspf

@@ -152,7 +152,7 @@
                 var lb = new lightbox(document.getElementById('lbmessage'));
                 lb.activate();
             }
-            setTimeout('loadMsg()', 250);
+            setTimeout('loadMsg()', 500);
         </script>
 
     <% } %>

src/web/setup/ldap-server.jspf

@@ -160,7 +160,7 @@
                 var lb = new lightbox(document.getElementById('lbmessage'));
                 lb.activate();
             }
-            setTimeout('loadMsg()', 250);
+            setTimeout('loadMsg()', 500);
         </script>
 
     <% } %>

src/web/setup/ldap-user.jspf

@@ -186,7 +186,7 @@
                 var lb = new lightbox(document.getElementById('lbmessage'));
                 lb.activate();
             }
-            setTimeout('loadMsg()', 250);
+            setTimeout('loadMsg()', 500);
         </script>
 
     <% } %>