Export to the Kiwi config.xml as text.

        :return:

def export(self, name):
        '''
        Export to the Kiwi config.xml as text.

        :return:
        '''

        self.name = name
        root = self._create_doc()
        self._set_description(root)
        self._set_preferences(root)
        self._set_repositories(root)
        self._set_users(root)
        self._set_packages(root)

        return '\n'.join([line for line in minidom.parseString(
            etree.tostring(root, encoding='UTF-8', pretty_print=True)).toprettyxml(indent="  ").split("\n")
                          if line.strip()])