Updating RForge with latest additions

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/pim@47 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Removal of old vignettes to make package build

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/pim@48 edb9625f-4e0d-4859-8d74-9fd3b1da38cb