adjust graphics device under RStudio. John

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/rcmdr@557 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
cleaned LaTeX manual; included manual sources. John

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/rcmdr@558 edb9625f-4e0d-4859-8d74-9fd3b1da38cb