no mine doesn't include the down-button fix, as i didn't see any source posted for that version.
the first thing that ant yelled at me about was something about the location of the 1.6 JDK, which i eventually managed to find on my system, but unless you're using a mac yours will be in a different place. i eventually managed to find the well-hidden files (such as the "java" executable), and gave the path when calling ant, like so:
there was other stuff i had to track down after that, library locations etc, not sure of everything off the top of my head. let me know how you get on with ant...