pandora videos editable

1. pandora videos are editable.
   run following command:
   i) file_GST=collection.Node.one({'name':'File','_type':'GSystemType'})
   ii) for  each in list(file_GST):
             each.member_of.append(file_GST._id)
             each.save()
2. Getting pandora videos thumbnails in "All Files" listing tab and also in detail view of each video.