30164
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10710 DefaultCommandLineHandler class>>#startUp: cleanup
https://pharo.fogbugz.com/f/cases/10710
first part, I needed to split the update :(Diff information: http://smalltalkhub.com/mc/Pharo/Pharo30/main/Tests-EstebanLorenzano.542.diff http://smalltalkhub.com/mc/Pharo/Pharo30/main/System-CommandLine-EstebanLorenzano.114.diff http://smalltalkhub.com/mc/Pharo/Pharo30/main/StartupPreferences-EstebanLorenzano.95.diff http://smalltalkhub.com/mc/Pharo/Pharo30/main/ConfigurationCommandLineHandler-Tests-EstebanLorenzano.5.diff
