civicrm/civicrm-core — pull request #2870 by kurund (2014-04-10 04:32:38+00:00)
Title: fixes for duplicate relationship error, CRM-14352

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* CRM-14352: Fatal error: Relationship already exists when contact with duplicate relationships registers for an event
https://issues.civicrm.org/jira/browse/CRM-14352