CRM-13742 conditional display of invite to create your own PCP after completing a contribution or event registration as a supporter.

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* CRM-13742: PCP message should not always promise ability to create your own PCP
  http://issues.civicrm.org/jira/browse/CRM-13742
Merge pull request #1968 from davecivicrm/CRM-13742

CRM-13742 conditional display of invite to create your own PCP after com...