Mac binary update

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/batman@335 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Mac OS X Snow Leopard binary, build under R 3.1.1

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/batman@336 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
document update, Mac binary

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/batman@337 edb9625f-4e0d-4859-8d74-9fd3b1da38cb