[crossfire] SourceForge changes to SVN Access

[Kevin R. Bulgrien]

> Good grief! I think I will just blow away my svn tree and download it all 
> again (when I get to the point I can do some mapping again). What a PITA. :p
> 
> Gene Alexander

Huh?  It could hardly be more painless.

$ cd /home/data/svn/crossfire
$ for file in arch client server sounds maps
> do
>   cd $file
>   svn switch --relocate https://svn.sourceforge.net/svnroot/crossfire https://crossfire.svn.sourceforge.net/svnroot/crossfire
>   cd ..
> done

And that was for a developer checkout.