[distrMod] fixed issue with returnlevelplot discovered by B. Spangl -- points had not been ordered;
           qqplot and returnlevelplot both have an additional argument added.points.CI to allow for
           additional evaluation points for the confidence intervals in the range of the seen data

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/distr@958 edb9625f-4e0d-4859-8d74-9fd3b1da38cb