#### 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

ret = True
        entries = []
        for systems_uri in self.systems_uris:
            inventory = func(systems_uri)
            ret = inventory.pop('ret') and ret
            if 'entries' in inventory:
                entries.append(({'systems_uri': systems_uri},
                                inventory['entries']))
        return dict(ret=ret, entries=entries)
    def get_storage_controller_inventory(self, systems_uri):
        result = {}
        controller_list = []
        controller_results = []
        
        properties = ['CacheSummary', 'FirmwareVersion', 'Identifiers',
                      'Location', 'Manufacturer', 'Model', 'Name',
                      'PartNumber', 'SerialNumber', 'SpeedGbps', 'Status']
        key = "StorageControllers"
        
        response = self.get_request(self.root_uri + systems_uri)
        if response['ret'] is False:
            return response