update gmkin static documentation from github repository

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/kinfit@215 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Add gmkin 0.5-6 to the repo


git-svn-id: svn://svn.r-forge.r-project.org/svnroot/kinfit@216 edb9625f-4e0d-4859-8d74-9fd3b1da38cb