[update 2.0] #20493

20493
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Issue 7336: ReleaseTest is run double
        http://code.google.com/p/pharo/issues/detail?id=7336

Issue 7310: PickListModel should be improved
        http://code.google.com/p/pharo/issues/detail?id=7310


Postscript:

SystemNavigation new instanceSideMethodsWithNilKeyInLastLiteral do: [ :thisShouldNotBeAStringButAMethod |
        | method classAndSelector |
        classAndSelector := ' ' split: thisShouldNotBeAStringButAMethod.
        method := (Smalltalk at: classAndSelector first asSymbol) methodNamed: classAndSelector second asSymbol.
        method recompile.
].



Diff information:
http://ss3.gemstone.com/ss/Pharo20/Tests-MarcusDenker.495.diff
http://ss3.gemstone.com/ss/Pharo20/Spec-Widgets-MarcusDenker.83.diff
http://ss3.gemstone.com/ss/Pharo20/RPackage-Tests-MarcusDenker.105.diff