Add consumer and transaction info only for success

The tags consumerName, consumerIBAN, consumerBIC, amount, currency
are only enabled in the status response when the status is success.
Check the status prior to setting this information in the model.
Merge pull request #16 from juriansluiman/hotfix/status-success-tags

StandardClient()->protected function getTag(DOMNode $node, $tag) triggers notice when action is cancelled