[ut2004] No love with linux installer

[Matthew Arnold]

Sean Hamilton wrote:
> Overall, pretty dissatisfied with the installation process, fortunately 
> the game makes up for it. Hopefully they'll hire somebody more clueful 
> to write the linux installer next time around.

All of these problems and solutions are well-documented in the 
frequently quoted, often imitated, but never duplicated Linux Gaming 
FAQ: http://icculus.org/lgfaq/#install

Matt