Display running for a while. I'm blaming that on the text area filling
with a million lines, though that still needs to be confirmed.
So I added a arbritrary 200 line limit, after which lines at the top
start disapearing. Seems sensible anyways :)
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@1730 ebee16cc-31ac-478f-84a7-5cbb03baadba