Gemfile.erb in jetfuel-1.19.8

- old
+ new

@@ -3,10 +3,12 @@
 ruby '<%= Jetfuel::RUBY_VERSION %>'
 
 gem 'airbrake'
 gem 'bourbon', '~> 3.2.1'
 gem 'coffee-rails'
-gem 'delayed_job_active_record'
+gem 'sidekiq'
+gem 'sinatra', require: false
+gem 'slim'
 gem 'email_validator'
 gem 'flutie'
 gem 'jquery-rails'
 gem 'pg'
 gem 'rack-timeout'