Allow admins to modify variables. This way when something goes wrong,

we can tell them what to do in the forums and we don't have to build
super smart admin UIs to help users with weird edge cases.

This plus r20789 is probably a good enough fix for #232.

core/views/admin_advanced_settings.html.php

@@ -2,8 +2,14 @@
 <div id="gAdminAdvancedSettings">
   <h1> <?= t("Advanced Settings") ?> </h1>
   <p>
-    <?= t("Here are internal Gallery configuration settings.  Most of these settings are accessible elsewhere in the administrative console.  You will eventually be able to modify these directly (at your own risk).") ?>
+    <?= t("Here are internal Gallery configuration settings.  Most of these settings are accessible elsewhere in the administrative console.") ?>
   </p>
+  <ul id="gMessage">
+    <li class="gWarning">
+      <b><?= t("Change these values at your own risk!</b>") ?>
+    </li>
+  </ul>
+
   <table>
     <tr>
       <th> <?= t("Module") ?> </th>
@@ -14,7 +20,13 @@
     <tr class="setting">
       <td> <?= $var->module_name ?> </td>
       <td> <?= $var->name ?> </td>
-      <td> <?= $var->value ?> </td>
+      <td>
+        <a href="<?= url::site("admin/advanced_settings/edit/$var->module_name/$var->name") ?>"
+          class="gDialogLink"
+          title="<?= t("Edit %var (%module_name)", array("var" => $var->name, "module_name" => $var->module_name)) ?>">
+          <?= $var->value ?>
+      </a>
+      </td>
     </tr>
     <? endforeach ?>
   </table>