<!--- Verify first that your feature was not already discussed on GitHub -->
<!--- Complete *all* sections as described, this form is processed automatically -->

##### SUMMARY
<!--- Describe the new feature/improvement briefly below -->
This feature would implement a GetManagerServices command for the Manager category of redfish_info, to retrieve a list of NetworkProtocol and their properties, like SSH, Port, Enable or Disable. And also implement a SetManagerServices command for the Manager category of redfish_config, to set NetworkProtocol's properties, like enable/disable SSH, change Port. 

##### ISSUE TYPE
- Feature Idea

##### COMPONENT NAME
<!--- Write the short name of the module, plugin, task or feature below, use your best guess if unsure -->
redfish_config

##### ADDITIONAL INFORMATION
<!--- Describe how the feature would be used, why it is needed and what it would solve -->
These 2 commands would help user to get the status of services or control the status of services Manager provided.  
<!--- Paste example playbooks or commands between quotes below -->
```yaml

```

<!--- HINT: You can also paste gist.github.com links for larger files -->

"""
        Get Redfish ExtendedInfo message from response payload if present
        :param error: an HTTPError exception
        :type error: HTTPError
        :return: the ExtendedInfo message if present, else standard HTTP error
        """
        msg = http_client.responses.get(error.code, '')
        if error.code >= 400:
            try:
                body = error.read().decode('utf-8')
                data = json.loads(body)
                ext_info = data['error']['@Message.ExtendedInfo']
                msg = ext_info[0]['Message']
            except Exception:
                pass
        return msg
    def _init_session(self):