git-svn-id: svn://svn.r-forge.r-project.org/svnroot/expectedreturns@6 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
move to slsqp and Rdonlp2

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/expectedreturns@7 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
update dependencies

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