added BayesXdev package

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/bayesr@1078 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
forgot some small settings

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/bayesr@1079 edb9625f-4e0d-4859-8d74-9fd3b1da38cb