fix up the example app for getting started guide [ci skip]

guides/code/getting_started/app/controllers/home_controller.rb

@@ -1,5 +0,0 @@
-class HomeController < ApplicationController
-  def index
-  end
-
-end

guides/code/getting_started/app/controllers/welcome_controller.rb

@@ -0,0 +1,4 @@
+class WelcomeController < ApplicationController
+  def index
+  end
+end

guides/code/getting_started/app/helpers/home_helper.rb

@@ -1,2 +0,0 @@
-module HomeHelper
-end

guides/code/getting_started/app/helpers/welcome_helper.rb

@@ -0,0 +1,2 @@
+module WelcomeHelper
+end

guides/code/getting_started/config/routes.rb

@@ -53,7 +53,7 @@ Blog::Application.routes.draw do
 
   # You can have the root of your site routed with "root"
   # just remember to delete public/index.html.
-  root :to => "home#index"
+  root :to => "welcome#index"
 
   # See how all your routes lay out with "rake routes"
 

guides/code/getting_started/test/functional/welcome_controller_test.rb

@@ -1,9 +1,8 @@
 require 'test_helper'
 
-class HomeControllerTest < ActionController::TestCase
+class WelcomeControllerTest < ActionController::TestCase
   test "should get index" do
     get :index
     assert_response :success
   end
-
 end