Use spring gem as part of rails 4.1 upgrade.

Author: studiospring

Gemfile

@@ -28,6 +28,7 @@ group :development, :test do
   gem 'capybara'
   gem 'annotate', '>=2.5.0'
   gem 'rubocop'
+  gem 'spring'
 end
 group :test do
   gem 'webmock' #for testing http requests to pvoutput.org

Gemfile.lock

@@ -205,6 +205,7 @@ GEM
       tilt (>= 1.3.3, < 2.1)
     slop (3.4.7)
     spork (1.0.0rc4)
+    spring (1.3.6)
     sprockets (2.12.3)
       hike (~> 1.2)
       multi_json (~> 1.0)
@@ -265,6 +266,7 @@ DEPENDENCIES
   sdoc
   slim
   spork-rails!
+  spring
   turbolinks
   uglifier (>= 1.3.0)
   unicorn

bin/rails

@@ -1,4 +1,8 @@
 #!/usr/bin/env ruby
+begin
+  load File.expand_path("../spring", __FILE__)
+rescue LoadError
+end
 APP_PATH = File.expand_path('../../config/application',  __FILE__)
 require_relative '../config/boot'
 require 'rails/commands'

bin/rake

@@ -1,4 +1,8 @@
 #!/usr/bin/env ruby
+begin
+  load File.expand_path("../spring", __FILE__)
+rescue LoadError
+end
 require_relative '../config/boot'
 require 'rake'
 Rake.application.run

bin/spring

@@ -0,0 +1,15 @@
+#!/usr/bin/env ruby
+
+# This file loads spring without using Bundler, in order to be fast.
+# It gets overwritten when you run the `spring binstub` command.
+
+unless defined?(Spring)
+  require "rubygems"
+  require "bundler"
+
+  if match = Bundler.default_lockfile.read.match(/^GEM$.*?^    (?:  )*spring \((.*?)\)$.*?^$/m)
+    Gem.paths = { "GEM_PATH" => [Bundler.bundle_path.to_s, *Gem.path].uniq }
+    gem "spring", match[1]
+    require "spring/binstub"
+  end
+end