[distrTeach] removed ::: internal dependencies (within distr-Fam of pkgs) by copying respective routines

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/distr@944 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
[distrEllipse] removed ::: internal dependencies (within distr-Fam of pkgs) by copying respective routines

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/distr@945 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
[distrMod] removed ::: internal dependencies (within distr-Fam of pkgs) by copying respective routines

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/distr@946 edb9625f-4e0d-4859-8d74-9fd3b1da38cb