took out comment questioning working at page bottom

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/ipmpack@1208 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
corrected description of inverse logit


git-svn-id: svn://svn.r-forge.r-project.org/svnroot/ipmpack@1209 edb9625f-4e0d-4859-8d74-9fd3b1da38cb