Notes
- Rails 5 support - This release includes experimental support for Rails 5 as of 5.0.0.beta2. Please note that this release does not include any support for ActionCable, the WebSockets framework new to Rails 5. 
- Don't include extension from single format Grape API transaction names - Starting with Grape 0.12.0, an API with a single format no longer declares methods with - .:format, but with an extension such as- .json. Thanks Daniel Doubrovkine for the contribution!
- Fix warnings about shadowing outer local variable when running tests - Thanks Rafael Almeida de Carvalho for the contribution! 
- Check config first for Rails middleware instrumentation installation - Checking the config first avoids issues with mock classes that don't implement - VERSION. Thanks Jesse Sanford for the contribution!
- Remove a trailing whitespace in the template for generated newrelic.yml - Thanks Paul Menzel for the contribution! 
- Reference external resources in comments and readme with HTTPS - Thanks Benjamin Quorning for the contribution!