added in export of Cmiss_field_create_binary_threshold_image_filter and Cmiss_field_binary_threshold_image_filter_cast plus removed old get and set methods for the binary threshold image filter
added in export of Cmiss_field_create_binary_threshold_image_filter and Cmiss_field_binary_threshold_image_filter_cast plus removed old get and set methods for the binary threshold image filter

git-svn-id: 4705079bc6b8aadf675e3696f5c015a6aa4916e3@5986 3c1deb5b-d424-0410-962d-aba41a686d42

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