comment troublesome code in ess-stan-d.el

git-svn-id: https://svn.r-project.org/ESS/trunk@5584 0bbaf3bd-34e0-0310-bf65-c717079852d4
compile gretl.el

git-svn-id: https://svn.r-project.org/ESS/trunk@5585 0bbaf3bd-34e0-0310-bf65-c717079852d4
revert display-buffer -> switch-to-buffer change

git-svn-id: https://svn.r-project.org/ESS/trunk@5586 0bbaf3bd-34e0-0310-bf65-c717079852d4