Updates:
Status: FixToInclude
Comment #1 on issue 3905 by [email protected]: Delete empty packages
http://code.google.com/p/pharo/issues/detail?id=3905in the next postscript: (MCPackage named: 'System-Digital Signatures') workingCopy unregister. (MCPackage named: 'MimeConverter') workingCopy unregister. (MCPackage named: 'System-GUISupport') workingCopy unregister.
