NewRelic

NewRelic is a service to monitor app performance.

Add the following gem to your Gemfile:

group :production do
  gem 'newrelic_rpm'
end

Add a NewRelic configuration file config/newrelic.yml folder. (Note: If you are not using Heroku, adjust the app name to something else than HEROKU_APP_NAME)
Add the new variables to your Heroku environments and config/application.yml:
```
NEW_RELIC_LICENSE_KEY: "from newrelic"
```