NEWS: added further changes in the next release

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/maxlik@1495 af626d81-0c90-417d-8daa-7afe02cc634b
made the output of the test scripts constraint.R and examples.R more robust against differences due to different roundings on different computers

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/maxlik@1496 af626d81-0c90-417d-8daa-7afe02cc634b