20211
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Issue 6343: move Windows on screen should take in account the task bar
http://code.google.com/p/pharo/issues/detail?id=6343
Issue 6341: ClassDescription>>#organization send
#recoverFromMDFaultWithTrace
http://code.google.com/p/pharo/issues/detail?id=6341
Issue 5131: Error accepting Trait method referencing undefined class
http://code.google.com/p/pharo/issues/detail?id=5131-- Marcus Denker -- http://marcusdenker.de
