Returns the default collector settings

def get_default_config(self):
        """
        Returns the default collector settings
        """
        config = super(OpenVPNCollector, self).get_default_config()
        config.update({
            'path':      'openvpn',
            'instances': 'file:///var/log/openvpn/status.log',
            'timeout':   '10',
        })
        return config