6944: More hibernate session cache taming.
6945: Times for commits are close to linear in the number of items submitted.
6946: Missing break statement. (Courtesy of Jan).
6948: Fixed session cache eviction problem triggered by resetLayer().
6956: Wrapped AVMService and AttributeService in TransactionResourceInterceptor.
Reverted log4j.properties
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@7368 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261