Bump turbolinks

Gemfile

@@ -13,7 +13,7 @@ gem 'therubyracer', platforms: :ruby
 # Use jquery as the JavaScript library
 gem 'jquery-rails'
 # Turbolinks makes following links in your web application faster. Read more: https://github.com/rails/turbolinks
-gem 'turbolinks', '~> 5.0'
+gem 'turbolinks'
 # bundle exec rake doc:rails generates the API under doc/api.
 gem 'sdoc', '~> 0.4.0', group: :doc
 

Gemfile.lock

@@ -706,9 +706,9 @@ GEM
     timecop (0.9.1)
     trollop (2.1.2)
     ttfunk (1.5.1)
-    turbolinks (5.0.1)
-      turbolinks-source (~> 5)
-    turbolinks-source (5.0.0)
+    turbolinks (5.1.0)
+      turbolinks-source (~> 5.1)
+    turbolinks-source (5.1.0)
     tzinfo (1.2.4)
       thread_safe (~> 0.1)
     uglifier (4.1.3)
@@ -833,7 +833,7 @@ DEPENDENCIES
   spring-commands-rspec
   therubyracer
   timecop
-  turbolinks (~> 5.0)
+  turbolinks
   uglifier (>= 1.3.0)
   unicode_utils
   unicorn