CRM-14146 - conditionally change contribution button text based on whether...

CRM-14146 - conditionally change contribution button text  based on whether confirm page is skipped.

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* CRM-14146: Button on contribution page should be "Confirm Contribution"
  http://issues.civicrm.org/jira/browse/CRM-14146

CRM/Contribute/Form/Contribution/Main.php

@@ -563,7 +563,7 @@ class CRM_Contribute_Form_Contribution_Main extends CRM_Contribute_Form_Contribu
     if (!($allAreBillingModeProcessors && !$this->_values['is_pay_later'])) {
       $submitButton = array(
         'type' => 'upload',
-        'name' => ts('Contribute'),
+        'name' => CRM_Utils_Array::value('is_confirm_enabled', $this->_values) ? ts('Confirm Contribution') : ts('Contribute'),
         'spacing' => '         ',
         'isDefault' => TRUE,
       );