updated output files of test scripts: some start-up messages have changed; all.equal() gives a slightly fifeerent output: many "white" differences

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/systemfit@1121 591db2bd-e0a0-4d22-8c19-2192dbb7da31
added command "options( digits = 3 ) to all test scripts in order to reduce the chance of becoming different results due to different roundings on other computers

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/systemfit@1122 591db2bd-e0a0-4d22-8c19-2192dbb7da31