CRM-13726 includes PR 1934 plus fix from...

CRM-13726 includes PR 1934 plus fix from https://github.com/eileenmcnaughton/civicrm-core/commit/c1622a21afb8fa86f92be8dc90879ad5aed7e3f5

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* CRM-13726: Only show 'billing addres is same as above' checkbox if there is an address above
  http://issues.civicrm.org/jira/browse/CRM-13726