Dont you have a word editor?
Just open the cfg with that and edt what needs to be done.
Hint to do so hit open in your word editor and go to your gamedata/base folder (When the cfg should be) then go to the bottom tab and hit show all file types. Then just find the cfg, edit it, and save it. Now you can go into jedioutcast single player and just type "exec x.cfg" (Note this is without quotes and x equails the name of the cfg).
Best sig EVAR!