ACE-3188 : Incorporate Activiti 5.16.4: New index added: act_hi_varinst.act_idx_hi_procvar_task_id

- Added update scripts for activiti 5.16.4.
   - Updated schema reference files.

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@88704 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

config/alfresco/dbscripts/upgrade/5.0/org.hibernate.dialect.Dialect/activiti-upgrade-5-16-4.sql

@@ -0,0 +1,24 @@
+--
+-- Title:      Upgraded Activiti tables from 5.16.2 to 5.16.4 version
+-- Database:   Generic
+-- Since:      V5.0 Schema 8009
+-- Author:     Pavel Yurkevich
+--
+-- Please contact support@alfresco.com if you need assistance with the upgrade.
+--
+
+update ACT_GE_PROPERTY set VALUE_ = '5.16.4.0' where NAME_ = 'schema.version';
+
+create index ACT_IDX_HI_PROCVAR_TASK_ID on ACT_HI_VARINST(TASK_ID_);
+
+--
+-- Record script finish
+--
+DELETE FROM alf_applied_patch WHERE id = 'patch.db-V5.0-upgrade-to-activiti-5.16.4';
+INSERT INTO alf_applied_patch
+  (id, description, fixes_from_schema, fixes_to_schema, applied_to_schema, target_schema, applied_on_date, applied_to_server, was_executed, succeeded, report)
+  VALUES
+  (
+    'patch.db-V5.0-upgrade-to-activiti-5.16.4', 'Manually executed script upgrade V5.0: Upgraded Activiti tables to 5.16.4 version',
+    0, 8008, -1, 8009, null, 'UNKNOWN', ${TRUE}, ${TRUE}, 'Script completed'
+  );