CRM-14319 - alter job api to not limit scheduled reminders

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* CRM-14319: not all scheduled reminders are being sent
  http://issues.civicrm.org/jira/browse/CRM-14319
Merge pull request #2743 from eileenmcnaughton/CRM-14319-mini-fix

CRM-14319 - alter job api to not limit scheduled reminders