Fix bug: Scrammbled parameters

lib/tasks/thumbnail.rake

@@ -15,7 +15,7 @@ namespace :thumbnail do
 
       begin
         # Get items from dspace (from offset to offset+limit)
-        items = learning_object_repository.all_from_offset_to_limit(limit,offset)
+        items = learning_object_repository.all_from_offset_to_limit(offset,limit)
       rescue
         # Sleeps for a while to wait database's recovery
         sleep(30.seconds)
@@ -29,7 +29,8 @@ namespace :thumbnail do
         offset = offset + limit
 
         items.each do |item|
-          ThumbnailGeneratorWorker.perform_async(item.id)
+          puts item.name
+          # ThumbnailGeneratorWorker.perform_async(item.id)
         end
 
       end