Merge branch 'bug-8077-integration' into releases/snapshot-201105-preparation
- bug-8077-integration: removed unnecessary code, improved readability added additional testcases; improved precision of checks Build a switch to use two VTK 5.8 classes even when using VTK 5.6 (with VTK 5.8, use the real VTK classes) adding classes from VKT 5.8 needed for statistics calculation fixing failing test, seems like path was falsely formatted for linux Implemented basic unit test for statistics calculation using planarfigure mask