CRM-13577 - cleanup vedaconsulting patch and PR - 1821

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* CRM-13577: Allow Smart Groups in Scheduled Reminders
  http://issues.civicrm.org/jira/browse/CRM-13577
Merge pull request #1824 from dlobo/CRM-13577

CRM-13577 - cleanup vedaconsulting patch and PR - 1821