librato/librato-rails — pull request #20 by nextmat (2012-10-25 21:07:45+00:00)
Title: Feature/explicit source on heroku

- Rewrite config section of README
- Add docs about using with Heroku to README
- Don't start on Heroku or other services that use a fluctuating UUID for a hostname unless an explicit source has been set
- Correct docs for current handling prefixes