- Correct Cheffile Usage
- Ensure that Twisted is installed.
  - I'd like to make this not staticly set, but installing requirements.txt for graphite-web could pull in the wrong carbon so passing on this.  If you wish to refactor please submit pull.

Signed-off-by: Scott M. Likens <scott@likens.us>
correct Cheffile usage for testing
Update README, Disable upstart tests...