Remove check for present name in terms that are imported. If we do such validation, we need to do this on a more pluggable level.

- DRUPAL-7--1-0-alpha2 http://github.com/lxbarth/feeds/tree/DRUPAL-7--1-0-alpha2
and
- DRUPAL-7--2-0-alpha1 http://github.com/lxbarth/feeds/tree/DRUPAL-7--2-0-alpha1

  language, user properties from parent feed node. Note: Signatures of
  FeedsProcessor::map(), existingItemId(), FeedsParser::getSourceElement()
  changed.