#### 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

return {'ret': False,
                    'msg': 'target URI missing from Action #ComputerSystem.Reset'}
        action_uri = reset_action['target']
        
        allowable_values = None
        if '@Redfish.ActionInfo' in reset_action:
            action_info_uri = reset_action.get('@Redfish.ActionInfo')
            response = self.get_request(self.root_uri + action_info_uri)
            if response['ret'] is True:
                data = response['data']
                if 'Parameters' in data:
                    params = data['Parameters']
                    for param in params:
                        if param.get('Name') == 'ResetType':
                            allowable_values = param.get('AllowableValues')
                            break
        
        if allowable_values is None:
            allowable_values = reset_action.get('ResetType@Redfish.AllowableValues', [])
        
        if reset_type not in allowable_values:
            reset_type = self._map_reset_type(reset_type, allowable_values)
        
        payload = {'ResetType': reset_type}
        
        response = self.post_request(self.root_uri + action_uri, payload)
        if response['ret'] is False:
            return response
        return {'ret': True, 'changed': True}
    def _find_account_uri(self, username=None, acct_id=None):