/**
* Delete a folder.
*
* @param string $folder The path of the folder to delete.
*
* @return NULL
*/
public function deleteFolder($folder)
{
$this->_logger->debug(sprintf('Deleting folder %s.', $folder));
$result = $this->_manipulation->deleteFolder($folder);
$this->_logger->debug(sprintf('Successfully deleted folder %s.', $folder));
}