BabuDB/Java/Replication:

applied the latest BabuDB changes corresponding to the introduction of transactions (known issue: there is a bug with sending serialized transactions, because PBRPC is currently not able to handle empty message with data attached);

git-svn-id: https://babudb.googlecode.com/svn/trunk@485 d4c7dd96-b7b2-11dd-893d-d98698f66bbf