Add turbolinks as a dev dependency - tests fail without it

Author: Ben Bristow

react-rails.gemspec

@@ -16,18 +16,19 @@ Gem::Specification.new do |s|
 
   s.add_development_dependency 'appraisal'
   s.add_development_dependency 'bundler', '>= 1.2.2'
+  s.add_development_dependency 'capybara'
+  s.add_development_dependency 'chromedriver-helper'
   s.add_development_dependency 'codeclimate-test-reporter'
   s.add_development_dependency 'coffee-rails'
   s.add_development_dependency 'es5-shim-rails', '>= 2.0.5'
-  s.add_development_dependency 'guard'
   s.add_development_dependency 'guard-minitest'
+  s.add_development_dependency 'guard'
   s.add_development_dependency 'jbuilder'
   s.add_development_dependency 'listen', '~> 3.0.0' # support Ruby 2.1
-  s.add_development_dependency 'chromedriver-helper'
-  s.add_development_dependency 'capybara'
+  s.add_development_dependency 'rails', '>= 3.2'
   s.add_development_dependency 'selenium-webdriver'
   s.add_development_dependency 'test-unit', '~> 2.5'
-  s.add_development_dependency 'rails', '>= 3.2'
+  s.add_development_dependency 'turbolinks'
 
   s.add_dependency 'connection_pool'
   s.add_dependency 'execjs'