I've added Sparkle's repository as a subrepository. This does mean checkouts now require you to have version 1.8 of Mercurial and to have Git installed (this is part of Xcode 4, so I hope not many people will object to this).
However, I couldn't get it to build without some changes to Sparkle's project configuration files. This sucks, because it meant I had to add a remote repository where I had push access to, so it now uses a fork by me on github (https://github.com/xnyhps/Sparkle). If someone needs to make changes in this part, I'll gladly give you access. If someone could figure out how to build Adium with an unchanged Growl.xcodeproj, that would of course be even better, but I think there's no way to do it (I couldn't find a way to make the "Framework Search Paths" contain the right path for every configuration). There might be still some issues, it took a couple of tries to get it to work with buildbot. So if anyone has problems, please let me know. :) Thijs
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