#### SUMMARY
This feature would implement a UpdateUserName command for the Accounts category of redfish_command, to update user name. And also implement a UpdatePasswordPolicy command for the Accounts category of redfish_command to change password policy.

##### ISSUE TYPE
- Feature Idea

##### COMPONENT NAME
redfish_command

##### ADDITIONAL INFORMATION
These 2 commands would help user to update user name or update password policy

drive_result[property] = data[property]
                            drive_results.append(drive_result)
                    drives = {'Controller': controller_name,
                              'Drives': drive_results}
                    result["entries"].append(drives)
        if 'SimpleStorage' in data:
            
            storage_uri = data["SimpleStorage"]["@odata.id"]
            response = self.get_request(self.root_uri + storage_uri)
            if response['ret'] is False:
                return response
            result['ret'] = True
            data = response['data']
            for controller in data[u'Members']:
                controller_list.append(controller[u'@odata.id'])
            for c in controller_list:
                uri = self.root_uri + c
                response = self.get_request(uri)
                if response['ret'] is False:
                    return response
                data = response['data']
                if 'Name' in data:
                    controller_name = data['Name']
                else:
                    sc_id = data.get('Id', '1')
                    controller_name = 'Controller %s' % sc_id
                drive_results = []
                for device in data[u'Devices']:
                    drive_result = {}
                    for property in properties: