Add turbolinks to application

Gemfile

@@ -105,6 +105,8 @@ group :assets do
   gem "coffee-rails", "~> 3.2.2"
   gem "uglifier",     "~> 1.3.0"
   gem "therubyracer"
+  gem 'turbolinks'
+  gem 'jquery-turbolinks'
 
   gem 'chosen-rails',     "0.9.8"
   gem 'select2-rails'

Gemfile.lock

@@ -232,6 +232,9 @@ GEM
     jquery-rails (2.1.3)
       railties (>= 3.1.0, < 5.0)
       thor (~> 0.14)
+    jquery-turbolinks (1.0.0)
+      railties (>= 3.1.0)
+      turbolinks
     jquery-ui-rails (2.0.2)
       jquery-rails
       railties (>= 3.1.0)
@@ -461,6 +464,8 @@ GEM
     treetop (1.4.12)
       polyglot
       polyglot (>= 0.3.1)
+    turbolinks (1.1.1)
+      coffee-rails
     tzinfo (0.3.37)
     uglifier (1.3.0)
       execjs (>= 0.3.0)
@@ -521,6 +526,7 @@ DEPENDENCIES
   httparty
   jquery-atwho-rails (= 0.1.7)
   jquery-rails (= 2.1.3)
+  jquery-turbolinks
   jquery-ui-rails (= 2.0.2)
   kaminari (~> 0.14.1)
   launchy
@@ -564,5 +570,6 @@ DEPENDENCIES
   test_after_commit
   therubyracer
   thin
+  turbolinks
   uglifier (~> 1.3.0)
   webmock

app/assets/javascripts/application.js

@@ -14,6 +14,8 @@
 //= require jquery.waitforimages
 //= require jquery.atwho
 //= require jquery.scrollto
+//= require turbolinks
+//= require jquery.turbolinks
 //= require bootstrap
 //= require modernizr
 //= require chosen-jquery

app/assets/javascripts/main.js.coffee

@@ -41,6 +41,14 @@ window.linkify = (str) ->
   exp = /(\b(https?|ftp|file):\/\/[-A-Z0-9+&@#\/%?=~_|!:,.;]*[-A-Z0-9+&@#\/%=~_|])/ig
   return str.replace(exp,"<a href='$1'>$1</a>")
 
+window.startSpinner = ->
+  $('.turbolink-spinner').fadeIn()
+
+window.stopSpinner = ->
+  $('.turbolink-spinner').fadeOut()
+
+document.addEventListener("page:fetch", startSpinner)
+document.addEventListener("page:receive", stopSpinner)
 
 $ ->
   # Click a .one_click_select field, select the contents

app/views/layouts/_head_panel.html.haml

@@ -9,6 +9,10 @@
       %h1.project_name= title
       %ul.nav
         %li
+          %a
+            %div.hide.turbolink-spinner
+              %i.icon-refresh.icon-spin
+        %li
           = render "layouts/search"
         %li
           = link_to public_root_path, title: "Public area", class: 'has_bottom_tooltip', 'data-original-title' => 'Public area' do