'micEconCES' no longer depends on package 'systemfit' but imports this package; 'micEconCES' now also imports package 'car', because it uses its function lht() and this function is no longer in the search path, because 'micEconCES' no longer depends on package 'systemfit'; updated output files of test scripts, because some start-up messages have changed

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/micecon@1954 95fa4d17-b1e8-0310-9d42-a43d67248e42