fixes for submitting to CRAN

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/rds2@111 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
updated NEWS

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/rds2@112 edb9625f-4e0d-4859-8d74-9fd3b1da38cb