ignore path actions which match top-level directory of the repository in Subversion history parser
fixes #694
Merge pull request #696 from vladak/svn_rename

ignore path actions which match top-level directory of the repository in...
add testcase for issue #694
Merge pull request #699 from vladak/svn_test

add testcase for issue #694
lucene 4.6.0 + fix summarizer to follow proper tokenstream API