[MOD] Manually defined import package on core module. Ant is now excluded, since it is not needed.

git-svn-id: https://svn.uni-konstanz.de/disy/Treetank/trunk/treetank@7596 e3ddb328-5bfe-0310-b762-aafcbcbd2528
Merge remote-tracking branch 'refs/remotes/git-svn'