unified indentation

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/countreg@74 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
now singular rootogram()

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/countreg@75 edb9625f-4e0d-4859-8d74-9fd3b1da38cb