make tests actually use BayesXdev

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/bayesr@1082 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
improved description

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/bayesr@1083 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
include .Rout.save

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/bayesr@1084 edb9625f-4e0d-4859-8d74-9fd3b1da38cb