CRM-13445 Suppressing Redirect to DB option for Outbound Mail.

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* CRM-13445: Outbound Email Settings: Suppress the Redirect to Database option
  http://issues.civicrm.org/jira/browse/CRM-13445
Merge pull request #1689 from davecivicrm/CRM-13445

CRM-13445 Suppressing Redirect to DB option for Outbound Mail.