Fixing installation on Ubuntu 13.10 Saucy

Saucy has removed the ia32-libs packages in favor of multiarch. I've added code to detect Saucy and use a separate set of packages for setup on saucy. Should fix saucy while not affect other versions/distros.
Merge pull request #52 from jonparrott/master

Fixing installation on Ubuntu 13.10 Saucy