devel for Rcmdr 2.2-0. John

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/rcmdr@606 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
delete history file. John

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/rcmdr@607 edb9625f-4e0d-4859-8d74-9fd3b1da38cb