Merge pull request #4 from soundcloud/master

Added a flag for processor architecture
Change default Ubuntu codename to "precise" (12.04 LTS)

And cleanup whitespace
bump version 1.0.0
Fix lucid builds
version bump 1.0.1
Add 4GB to base image to allow larger images
wait a long time for script to run and server to shut down
e2fsck works without a terminal
version bump 2.0.0
Fix region support
really fix regions