minor

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/metamisc@230 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
add prediction interval to plot of uvmeta

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/metamisc@231 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
minor changes

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/metamisc@232 edb9625f-4e0d-4859-8d74-9fd3b1da38cb