added Dominik and Niels as contributors

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/exams@715 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
resource title is now not hard-coded to "tryout" but the "name" argument
is re-used



git-svn-id: svn://svn.r-forge.r-project.org/svnroot/exams@716 edb9625f-4e0d-4859-8d74-9fd3b1da38cb