ALF-2031 - DR and VT can't start

- undeleted and reinstated use of org.alfresco.util.Pair
   - undeleted org.alfresco.util.PropertyCheck which is used in the deployment code.
   - undeleted other org.alfresco.util.* classes which probably should never have been moved to spring surf.

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@19312 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/repo/domain/encoding/AbstractEncodingDAOImpl.java

@@ -22,7 +22,7 @@ import java.io.Serializable;
 
 import org.alfresco.error.AlfrescoRuntimeException;
 import org.alfresco.repo.cache.SimpleCache;
-import org.springframework.extensions.surf.util.Pair;
+import org.alfresco.util.Pair;
 import org.springframework.extensions.surf.util.ParameterCheck;
 
 /**

source/java/org/alfresco/repo/domain/encoding/EncodingDAO.java

@@ -18,7 +18,7 @@
  */
 package org.alfresco.repo.domain.encoding;
 
-import org.springframework.extensions.surf.util.Pair;
+import org.alfresco.util.Pair;
 
 /**
  * DAO services for <b>alf_encoding</b> and related tables

source/java/org/alfresco/repo/domain/encoding/EncodingDAOTest.java

@@ -26,7 +26,7 @@ import org.alfresco.service.ServiceRegistry;
 import org.alfresco.service.transaction.TransactionService;
 import org.alfresco.util.ApplicationContextHelper;
 import org.alfresco.util.GUID;
-import org.springframework.extensions.surf.util.Pair;
+import org.alfresco.util.Pair;
 import org.springframework.context.ApplicationContext;
 
 /**