[MOD] bucketwriterproxy introduction, writer now referenced over proxy containing the log


git-svn-id: https://svn.uni-konstanz.de/disy/Treetank/trunk/treetank@7390 e3ddb328-5bfe-0310-b762-aafcbcbd2528
[MOD] Kicking out page stuff and moved to bucket stuff


git-svn-id: https://svn.uni-konstanz.de/disy/Treetank/trunk/treetank@7391 e3ddb328-5bfe-0310-b762-aafcbcbd2528
Merge remote-tracking branch 'refs/remotes/git-svn'