Returns the default collector settings

def get_default_config(self):
        """
        Returns the default collector settings
        """
        config = super(NetscalerSNMPCollector, self).get_default_config()
        config.update({
            'path':     'netscaler',
            'timeout':  15,
            'exclude_service_type': [],
            'exclude_vserver_type': [],
            'exclude_service_state': [],
            'exclude_vserver_state': []
        })
        return config