made source title a required field as relais requires it

includes/form.inc

@@ -302,7 +302,7 @@ function upei_roblib_ill_request_form($form, &$form_state) {
     '#default_value' => upei_roblib_ill_get_request_variable('title'),
     '#description' => 'Journal or Book Title',
     '#size' => 50,
-    '#required' => FALSE,
+    '#required' => TRUE,
   );
   $form['ArticleTitle'] = array(
     '#type' => 'textarea',

includes/relais.inc

@@ -54,6 +54,7 @@ function upei_roblib_ill_add_request($form_state, $aid) {
   }
   $response_json = $result->data;
   $response_arr = json_decode($response_json, TRUE);
+  $response_arr['ConfirmMessage'] = isset($response_arr['Problem']['ErrorMessage']) ? $response_arr['Problem']['ErrorMessage'] : $response_arr['ConfirmMessage'];
   upei_roblib_ill_log_request($relais_arr, $response_arr);
   return $response_arr;
 }