[MOD] fixed javadoc
[MOD] switching to maven-central with repo-tags and distri-tags


git-svn-id: https://svn.uni-konstanz.de/disy/Treetank/trunk/treetank@7586 e3ddb328-5bfe-0310-b762-aafcbcbd2528
Merge remote-tracking branch 'refs/remotes/git-svn'