def change_content_type(key, content_type)
      client.post_object(container,
                         key,
                         'Content-Type' => content_type)
      true
    rescue Fog::OpenStack::Storage::NotFound
      false
    end
def change_content_type(key, content_type)
      client.post_object(container,
                         key,
                         'Content-Type' => content_type)
      true
    rescue Fog::OpenStack::Storage::NotFound
      false
    end
Non-standard method to change the content type of an existing object