AVM Nodes are (theoretically) mostly aspect ready. AVMNodeService is

now derived from AbstractNodeServiceImpl to make policy awareness easier.
Moved addDefaultPropertyValues from DbNodeServiceImpl to 
AbstractNodeServiceImpl so AVMNodeService can use it.  A fix for an
NPE that showed up in stress test.


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/BRANCHES/WCM-DEV2/root@3603 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/repo/avm/HibernateRetryingTransactionHelper.java

@@ -102,9 +102,9 @@ public class HibernateRetryingTransactionHelper extends HibernateTemplate implem
                 }
                 if (!newTxn)
                 {
-                    if (t instanceof AVMException)
+                    if (t instanceof RuntimeException)
                     {
-                        throw (AVMException)t;
+                        throw (RuntimeException)t;
                     }
                     throw new AVMException("Unrecoverable error.", t);
                 }