Removed generate_faces_and_lines option and fixed offset to work with regions. Tracekr item 2769, https://tracker.physiomeproject.org/show_bug.cgi?id=2769
Removed generate_faces_and_lines option and fixed offset to work with regions. Tracekr item 2769, https://tracker.physiomeproject.org/show_bug.cgi?id=2769

git-svn-id: 4705079bc6b8aadf675e3696f5c015a6aa4916e3@8378 3c1deb5b-d424-0410-962d-aba41a686d42

OpenCMISS/zinc,hsorby/zinc,OpenCMISS/zinc,hsorby/zinc,hsorby/zinc,OpenCMISS/zinc,OpenCMISS/zinc,hsorby/zinc