small adjustments in DESCRIPTION and erpR-package.Rd

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/erpr@61 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
further adjustments in DESCRIPTION and erpR-package.Rd

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/erpr@62 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
change in license and examples of topoplot and topoplot.palette

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/erpr@63 edb9625f-4e0d-4859-8d74-9fd3b1da38cb