pulse.pdf layout changes, references

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/rhrv@148 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
moved Rnw files to subdirectory

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/rhrv@149 edb9625f-4e0d-4859-8d74-9fd3b1da38cb