CRM-9683 add functions to set timezone in mysql based on UF, note that this is not currently called but anticipate it will be called from the drupal integration code (civicrm_initialize)

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* CRM-9683: Implement timezone support for CiviMail
  http://issues.civicrm.org/jira/browse/CRM-9683
CRM-13593 api chaining - fix mulitple entity chainging

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* CRM-13593: chaining multiple object with the API is broken
  http://issues.civicrm.org/jira/browse/CRM-13593
Merge pull request #1847 from eileenmcnaughton/CRM-9683

CRM-9683 - add timezone functions (doesn't close) , CRM-13593 minore api fix (closes)