MacOS tracking changes

Reference: https://plus.google.com/u/0/b/109612024486187515483/109612024486187515483/posts/37vE9D1ZRbs


 * 1) Idea: Bleeding Edge builds of Scribus for MacOS
 * 2) Issue: Way of telling users which features they should be wary of when they use it. Just so they know in advance what they might not want to use.
 * 3) Solution: ?