added confidence rating ROC example, authors now Authors@R, 
various small changes to examples to comply with R CMD check,
small change in the new function from Quentin (lbmpt.to.bmpt)


git-svn-id: svn://svn.r-forge.r-project.org/svnroot/mptinr@127 edb9625f-4e0d-4859-8d74-9fd3b1da38cb