1.3-3; do not link to non-suggested packages

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/multcomp@381 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
check if SimComp is available!

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/multcomp@382 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
update

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/multcomp@383 edb9625f-4e0d-4859-8d74-9fd3b1da38cb