Add progress bar to indicate loading

Gemfile

@@ -42,6 +42,8 @@ gem 'isikukood'
 
 gem 'bootstrap-sass', '~> 3.2.0.1'
 
+gem 'nprogress-rails', '~> 0.1.3.1'
+
 group :assets do
   # See https://github.com/sstephenson/execjs#readme for more supported runtimes
   gem 'therubyracer',  platforms: :ruby
@@ -71,7 +73,7 @@ group :development, :test do
   gem 'capybara', '~> 2.4.1'
   # For feature testing
   # gem 'capybara-webkit', '1.2.0' # Webkit driver didn't work with turbolinks
-  gem 'phantomjs', require: 'phantomjs/poltergeist'
+  gem 'phantomjs', '~> 1.9.7.1', require: 'phantomjs/poltergeist'
   gem 'poltergeist', '~> 1.5.1' # We are using PhantomJS instead
 
   # For cleaning db in feature and epp tests

Gemfile.lock

@@ -114,6 +114,7 @@ GEM
     multi_json (1.10.1)
     nokogiri (1.6.2.1)
       mini_portile (= 0.6.0)
+    nprogress-rails (0.1.3.1)
     parser (2.2.0.pre.4)
       ast (>= 1.1, < 3.0)
       slop (~> 3.4, >= 3.4.5)
@@ -254,8 +255,9 @@ DEPENDENCIES
   jbuilder (~> 2.0)
   jquery-rails
   nokogiri (~> 1.6.2.1)
+  nprogress-rails (~> 0.1.3.1)
   pg
-  phantomjs
+  phantomjs (~> 1.9.7.1)
   poltergeist (~> 1.5.1)
   pry (~> 0.10.1)
   pry-byebug (~> 1.3.3)

app/assets/javascripts/application.js

@@ -1,17 +0,0 @@
-// This is a manifest file that'll be compiled into application.js, which will include all the files
-// listed below.
-//
-// Any JavaScript/Coffee file within this directory, lib/assets/javascripts, vendor/assets/javascripts,
-// or vendor/assets/javascripts of plugins, if any, can be referenced here using a relative path.
-//
-// It's not advisable to add code directly here, but if you do, it'll appear at the bottom of the
-// compiled file.
-//
-// Read Sprockets README (https://github.com/sstephenson/sprockets#sprockets-directives) for details
-// about supported directives.
-//
-//= require jquery
-//= require jquery_ujs
-//= require turbolinks
-//= require bootstrap-sprockets
-//= require_tree .

app/assets/javascripts/application.js.coffee

@@ -0,0 +1,10 @@
+#= require jquery
+#= require jquery_ujs
+#= require turbolinks
+#= require bootstrap-sprockets
+#= require nprogress
+#= require nprogress-turbolinks
+#= require_tree .
+
+NProgress.configure
+  showSpinner: false

app/assets/stylesheets/application.css.scss

@@ -1,2 +1,4 @@
 @import "bootstrap-sprockets";
 @import "bootstrap";
+@import "nprogress";
+@import "nprogress-bootstrap";