Upgrade to Rails 4.2

* Update boilerplate with `bin/rake rails:upgrade`
* Use test instead of test:all rake task
* Change stylesheet extensions from .css.scss to .scss
* Update docs to use localhost instead of 0.0.0.0 because Rails 4.2
  no longer listens on all addresses by default.

bin/bundle

@@ -0,0 +1,3 @@
+#!/usr/bin/env ruby
+ENV['BUNDLE_GEMFILE'] ||= File.expand_path('../../Gemfile', __FILE__)
+load Gem.bin_path('bundler', 'bundle')

bin/rails

@@ -1,10 +1,4 @@
 #!/usr/bin/env ruby
-begin
-  load File.expand_path("../spring", __FILE__)
-rescue LoadError
-end
-# This command will automatically be run when you run "rails" with Rails 3 gems installed from the root of your application.
-
-APP_PATH = File.expand_path('../../config/application',  __FILE__)
-require File.expand_path('../../config/boot',  __FILE__)
+APP_PATH = File.expand_path('../../config/application', __FILE__)
+require_relative '../config/boot'
 require 'rails/commands'

bin/rake

@@ -1,7 +1,4 @@
 #!/usr/bin/env ruby
-begin
-  load File.expand_path("../spring", __FILE__)
-rescue LoadError
-end
-require 'bundler/setup'
-load Gem.bin_path('rake', 'rake')
+require_relative '../config/boot'
+require 'rake'
+Rake.application.run

bin/setup

@@ -0,0 +1,29 @@
+#!/usr/bin/env ruby
+require 'pathname'
+
+# path to your application root.
+APP_ROOT = Pathname.new File.expand_path('../../',  __FILE__)
+
+Dir.chdir APP_ROOT do
+  # This script is a starting point to setup your application.
+  # Add necessary setup steps to this file:
+
+  puts "== Installing dependencies =="
+  system "gem install bundler --conservative"
+  system "bundle check || bundle install"
+
+  # puts "\n== Copying sample files =="
+  # unless File.exist?("config/database.yml")
+  #   system "cp config/database.yml.sample config/database.yml"
+  # end
+
+  puts "\n== Preparing database =="
+  system "bin/rake db:setup"
+
+  puts "\n== Removing old logs and tempfiles =="
+  system "rm -f log/*"
+  system "rm -rf tmp/cache"
+
+  puts "\n== Restarting application server =="
+  system "touch tmp/restart.txt"
+end