App Engine fixes

Author: Jamie Snape

app.yaml

@@ -52,4 +52,4 @@ skip_files:
 - ^(.*/)?(\.git|\.idea|\.vagrant|data|log|provisioning|tests|tmp|utils)/.*
 - ^(.*/)?(core|modules/.*)/(database/pgsql|sqlite|tests)/.*
 - ^(.*/)?library/CMake/.*
-- ^(.*/)?modules/(batchmake|dicom.*|example|metadataextractor|pvw|remoteprocessing|solr|thumbnailcreator|visualize)/.*
+- ^(.*/)?modules/(batchmake|dicom.*|example|javauploaddownload|metadataextractor|pvw|remoteprocessing|solr|visualize)/.*

core/GlobalController.php

@@ -140,7 +140,7 @@ public function preDispatch()
         }
         parent::preDispatch();
         if (!$this->isDebug()) {
-            $frontendOptions = array('automatic_serialization' => true, 'lifetime' => 86400);
+            $frontendOptions = array('automatic_serialization' => true, 'lifetime' => 86400, 'cache_id_prefix' => 'midas_');
             if (extension_loaded('memcached') || session_save_path() === 'Memcache'
             ) {
                 $cache = Zend_Cache::factory('Core', 'Libmemcached', $frontendOptions, array());

modules/thumbnailcreator/forms/Admin.php

@@ -74,7 +74,7 @@ public function init()
         $submit->setLabel('Save');
 
         if ($isAppEngine) {
-            array($provider, $format, $submit);
+            $this->addElements(array($provider, $format, $submit));
         } else {
             $this->addElements(array($provider, $format, $imageMagick, $useThumbnailer, $thumbnailer, $submit));
         }