notice fixes as mentioned in CRM-13635

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* CRM-13635: Notices when saving back-office event registrations
  http://issues.civicrm.org/jira/browse/CRM-13635
Merge pull request #1845 from kurund/CRM-13635

notice fixes as mentioned in CRM-13635
API - Utils.php - Fix accidental deletion during merge

Line was deleted accidentally in 13c1cf9
CRM-13625 - Revert commit due to failing tests
Update version to 4.4.0
Update version to 4.4.1