[MOD] MetaBucket is setup not in BucketRtx-cons but externally to refer to the log if necessary


git-svn-id: https://svn.uni-konstanz.de/disy/Treetank/trunk/treetank@7401 e3ddb328-5bfe-0310-b762-aafcbcbd2528
[MOD] making persistence to session multithreaded, not working atm


git-svn-id: https://svn.uni-konstanz.de/disy/Treetank/trunk/treetank@7402 e3ddb328-5bfe-0310-b762-aafcbcbd2528
Merge remote-tracking branch 'refs/remotes/git-svn'