<!--- 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 -->

try:
            resp = open_url(uri, method="GET", headers=GET_HEADERS,
                            url_username=self.creds['user'],
                            url_password=self.creds['pswd'],
                            force_basic_auth=True, validate_certs=False,
                            follow_redirects='all',
                            use_proxy=False, timeout=self.timeout)
            data = json.loads(resp.read())
            headers = dict((k.lower(), v) for (k, v) in resp.info().items())
        except HTTPError as e:
            msg = self._get_extended_message(e)
            return {'ret': False,
                    'msg': "HTTP Error %s on GET request to '%s', extended message: '%s'"
                           % (e.code, uri, msg),
                    'status': e.code}
        except URLError as e:
            return {'ret': False, 'msg': "URL Error on GET request to '%s': '%s'"
                                         % (uri, e.reason)}
        
        except Exception as e:
            return {'ret': False,
                    'msg': "Failed GET request to '%s': '%s'" % (uri, to_text(e))}
        return {'ret': True, 'data': data, 'headers': headers}
    def post_request(self, uri, pyld):