[Pharo-project] Athens/Cairo and Nautilus MNU: ClassTrait>>correspondingForTest

After loading Athens from Metacello configuration, and following Igor's advice as to where to fix the library path in TCairoLibrary class. - Downloading a new official 1.4 image - Loading ConfigurationOfAthens from squeaksource, version 1.0 - viewing TCairoLibrary with the basic browser => ok on both instance and class side - load Nautilus from MetacelloConfigurationBrowser ("Load configuration and stable version) - viewing TCairoLibrary with Nautilus, instance side OK, class side raises this MNU - viewing TEasilyThemed (for instance) with Nautilus, works on both sides.