- Provides transaction-aware locking
- Post-transaction cleanup is automatically done
- Retrying for lock acquisition is handled internally as well
- Downgraded the lock concurrency tests for the build machine (maybe 50 threads was too much)
- Deadlock tests added for the high-level locking
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@13968 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261