Fix ALF-2591: FixNameCrcValuesPatch needs to use Savepoint (PostgreSQL)

- PostgreSQL doesn't have automatic recovery after constraint violations
 - Added in calls to new ControlDAO's createSavepoint


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@20001 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

config/alfresco/patch/patch-services-context.xml

@@ -1978,7 +1978,6 @@
                 <ref bean="patch.InvalidNameEnding" />
             </list>
         </property>
-        <!-- helper beans -->
         <property name="sessionFactory">
             <ref bean="sessionFactory" />
         </property>
@@ -1988,6 +1987,9 @@
         <property name="qnameDAO">
             <ref bean="qnameDAO" />
         </property>
+        <property name="controlDAO">
+            <ref bean="controlDAO" />
+        </property>
         <property name="ruleService">
             <ref bean="ruleService" />
         </property>