Increase grub timeout

[Bill Nottingham]

Jon Masters (jonathan at jonmasters.org) said: 
> > If we put a bit more trust into our kernel updates, and can start making
> > people a bit angry and filing bugs when there are regressions, maybe we
> > can do away with that crappy crutch.
> 
> User anger really isn't a good motivator.

If you're really concerned about needing the timeouts when 'normal' bootup
doesn't work, then why not write a patch that simply checks the time since
last bootup (via mtime on grub.conf, or wahtever), and shows the menu if it's
less than some predefined interval (say, 3 minutes?)

Bill