[Pharo-project] [update 2.0] #20546

[Marcus Denker]

20546
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Issue 7505:     do #cleanUpForRelease for every build
        http://code.google.com/p/pharo/issues/detail?id=7505


Diff information:
http://ss3.gemstone.com/ss/Pharo20/UpdateStreamer-Core-MarcusDenker.10.diff