Updated the README with instructions for installing/configuring the gem
Updated the README with instructions for installing/configuring the gem

CarlosCD/airbrake,stevecrozz/hydraulic_brake,nick-desteffen/airbrake,CarlosCD/airbrake,airbrake/airbrake,square/hoptoad_notifier,nick-desteffen/airbrake,thoughtbot/airbrake,Shopify/airbrake,thoughtbot/hoptoad_notifier,airbrake/airbrake,kakra/hoptoad_notifier,benjaminoakes/airbrake