[ROptEst] fixed an error in cniperPointPlot() -- default for argument risk had not been passed on correctly to cniperCont()

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/robast@791 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
[RobExtremes] gev.diag, gpd.diag now check for existence of se's and ascov

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/robast@792 edb9625f-4e0d-4859-8d74-9fd3b1da38cb