continue to reorganize svn repository. John

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/rcmdr@501 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
create package RcmdrDevel

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/rcmdr@502 edb9625f-4e0d-4859-8d74-9fd3b1da38cb