CRM-12351 Add .tpl for 4.3.1 upgrade and query to populate...

CRM-12351 Add .tpl for 4.3.1 upgrade and query to populate civicrm_dedupe_rule_group.title column if NULL.

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* CRM-12351:
  http://issues.civicrm.org/jira/browse/CRM-12351

CRM/Upgrade/Incremental/sql/4.3.1.mysql.tpl

+-- CRM-12351
+UPDATE civicrm_dedupe_rule_group SET title = name WHERE title IS NULL; 
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