Reloads the configuration files.

def _check_configs(self):
        """
        Reloads the configuration files.
        """
        configs = set(self._find_configs())
        known_configs = set(self.configs.keys())
        new_configs = configs - known_configs
        for cfg in (known_configs - configs):
            self.log.debug("Compass configuration has been removed: " + cfg)
            del self.configs[cfg]
        for cfg in new_configs:
            self.log.debug("Found new compass configuration: " + cfg)
            self.configs[cfg] = CompassConfig(cfg)