checking the examples, making minor fixes, those related to DisplayShape and SimpleGui basically
the topology module got a lot of love and is now compatible with KBE, such that KBE types are returned. also, its now possible to ignore the direction of the edges for example, which is very practical
promoted Qt to use an opengl widget
more smaller fixes, while testing and checking all examples
interactive feauture tree should make the distinction between qt and wx
deleting display examples that are no longer supported
updated and polished the traits viewer to the current version of traits, 4.3