[Pharo-project] [update 2.0] #20295

[Marcus Denker]

20295
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Issue 6692:     clean up #asTagWrapper
        http://code.google.com/p/pharo/issues/detail?id=6692
        
Issue 6683:     testUndeclared PackageTagWrapper SystemChangeNotifier
        http://code.google.com/p/pharo/issues/detail?id=6683

Issue 6678:     Failing tests related to OB
        http://code.google.com/p/pharo/issues/detail?id=6678


        
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Marcus Denker -- http://marcusdenker.de