replaced MgSindex by prodlim::sindex

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/riskscore@70 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
move to roxygen, improved plot function, introduced glmnet wrapper

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/riskscore@71 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
added area under the curve to plot

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/riskscore@72 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
added click.Roc Sens,Spec etc

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/riskscore@73 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
removed obsolete files

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/riskscore@74 edb9625f-4e0d-4859-8d74-9fd3b1da38cb