Added experimental support of MOSEK 6


git-svn-id: svn://svn.r-forge.r-project.org/svnroot/rmosek@143 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Improved description text


git-svn-id: svn://svn.r-forge.r-project.org/svnroot/rmosek@144 edb9625f-4e0d-4859-8d74-9fd3b1da38cb