Minor stuff ...

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/depmix@638 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Added modifications to NEWS

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/depmix@639 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Removed redundant files

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/depmix@640 edb9625f-4e0d-4859-8d74-9fd3b1da38cb