CRM-16189, added Closing Accounting form (#8583)
* CRM-16189, added Closing Accounting form
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* CRM-16189: Improve support for Accrual Method bookkeeping
https://issues.civicrm.org/jira/browse/CRM-16189
* CRM-16189 Removed invalid return statement
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* CRM-16189: Improve support for Accrual Method bookkeeping
https://issues.civicrm.org/jira/browse/CRM-16189
* CRM-16189 Fixed upgrade script
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* CRM-16189: Improve support for Accrual Method bookkeeping
https://issues.civicrm.org/jira/browse/CRM-16189