Display admin form status icons when clean urls are off.

The icon for the status of the repository was not displaying when clean urls
was turned off. Image files can't be referenced with through the query "q"
paramter.

admin/islandora.admin.inc

@@ -47,17 +47,20 @@ function islandora_repository_admin($form, &$form_state) {
 
   if ($info) {
     if ($dc) {
-      $confirmation_message = '<img src="' . url('misc/watchdog-ok.png') . '"/>'
-        . t('Successfully connected to Fedora Server (Version !version).', array('!version' => $info['repositoryVersion']));
+      $confirmation_message = theme_image(array('path' => 'misc/watchdog-ok.png', 'attributes' => array()));
+      $confirmation_message .= t('Successfully connected to Fedora Server (Version !version).', array(
+                                 '!version' => $info['repositoryVersion']));
     }
     else {
-      $confirmation_message = '<img src="' . url('misc/watchdog-warning.png') . '"/>'
-        . t('Unable to authenticate when connecting to to Fedora Server (Version !version). Please configure the !filter.', array('!version' => $info['repositoryVersion'], '!filter' => 'Drupal Filter'));
+      $confirmation_message = theme_image(array('path' => 'misc/watchdog-warning.png', 'attributes' => array()));
+      $confirmation_message .= t('Unable to authenticate when connecting to to Fedora Server (Version !version). Please configure the !filter.',
+                               array('!version' => $info['repositoryVersion'], '!filter' => 'Drupal Filter'));
     }
   }
   else {
-    $confirmation_message = '<img src="' . url('misc/watchdog-error.png') . '"/> '
-      . t('Unable to connect to Fedora server at !islandora_url', array('!islandora_url' => $url));
+    $confirmation_message = theme_image(array('path' => 'misc/watchdog-error.png', 'attributes' => array()));
+    $confirmation_message .= t('Unable to connect to Fedora server at !islandora_url', array(
+                               '!islandora_url' => $url));
   }
 
   $form['islandora_tabs'] = array(