updated output files of test scripts: some concerning changes in binarySelectionOutcome.Rout.save; new warnings in the other two files

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/sampleselection@1500 d36ae590-6c38-44c5-9ba5-7217e93607d8
fixed minor problem in model.frame.selection() that caused some warning messages()

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/sampleselection@1501 d36ae590-6c38-44c5-9ba5-7217e93607d8