Configure a plugin.

            Args:
                name (string): The name of the plugin. The ``:latest`` tag is
                    optional, and is the default if omitted.
                options (dict): A key-value mapping of options

            Returns:
                ``True`` if successful

def configure_plugin(self, name, options):
        """
            Configure a plugin.

            Args:
                name (string): The name of the plugin. The ``:latest`` tag is
                    optional, and is the default if omitted.
                options (dict): A key-value mapping of options

            Returns:
                ``True`` if successful
        """
        url = self._url('/plugins/{0}/set', name)
        data = options
        if isinstance(data, dict):
            data = ['{0}={1}'.format(k, v) for k, v in six.iteritems(data)]
        res = self._post_json(url, data=data)
        self._raise_for_status(res)
        return True