CRM-14417 - Remove all non-relevant statuses from the contribution status drop-down when creating a new event registration.

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* CRM-14417:
  http://issues.civicrm.org/jira/browse/CRM-14417
Merge pull request #2818 from davecivicrm/CRM-14417

CRM-14417 - Remove all non-relevant statuses from the contribution statu...