Update Base Generator Helpful Message

- Add info for hot reloading server npm cmd.
- Remove duplicate code from redux generator
  helpful msg because base now prints the same msg.
- Update tests to reflect changes.

lib/generators/react_on_rails/base_generator.rb

@@ -207,6 +207,12 @@ def print_helpful_message
                 npm run rails-server
 
             - Visit http://localhost:3000/hello_world and see your React On Rails app running!
+
+            - Run the npm express-server command to load the node server with hot reloading support.
+
+                npm run express-server
+
+            - Visit http://localhost:4000 and see your React On Rails app running using the Webpack Dev server.
         MSG
         GeneratorMessages.add_info(message)
       end

lib/generators/react_on_rails/react_with_redux_generator.rb

@@ -45,17 +45,6 @@ def template_appropriate_version_of_hello_world_app_client
         location = "client/app/bundles/HelloWorld/startup"
         template("redux/base/#{location}/HelloWorldAppClient.jsx.tt", "#{location}/#{filename}")
       end
-
-      def print_helpful_message
-        message = <<-MSG
-  - Run the npm express-server command to load the node server with hot reloading support.
-
-      npm run express-server
-
-  - Visit http://localhost:4000 and see your React On Rails app running using the Webpack Dev server.
-        MSG
-        GeneratorMessages.add_info(message)
-      end
     end
   end
 end

spec/react_on_rails/generators/install_generator_spec.rb

@@ -245,19 +245,38 @@
               npm run rails-server
 
           - Visit http://localhost:3000/hello_world and see your React On Rails app running!
+
+          - Run the npm express-server command to load the node server with hot reloading support.
+
+              npm run express-server
+
+          - Visit http://localhost:4000 and see your React On Rails app running using the Webpack Dev server.
         MSG
       expect(GeneratorMessages.output)
         .to include(GeneratorMessages.format_info(expected))
     end
 
     specify "react with redux generator contains a helpful message" do
       run_generator_test_with_args(%w(--redux))
-      expected = <<-MSG
-  - Run the npm express-server command to load the node server with hot reloading support.
+      expected = <<-MSG.strip_heredoc
+
+        What to do next:
+
+          - Ensure your bundle and npm are up to date.
+
+              bundle && npm i
+
+          - Run the npm rails-server command to load the rails server.
+
+              npm run rails-server
+
+          - Visit http://localhost:3000/hello_world and see your React On Rails app running!
+
+          - Run the npm express-server command to load the node server with hot reloading support.
 
-      npm run express-server
+              npm run express-server
 
-  - Visit http://localhost:4000 and see your React On Rails app running using the Webpack Dev server.
+          - Visit http://localhost:4000 and see your React On Rails app running using the Webpack Dev server.
         MSG
       expect(GeneratorMessages.output)
         .to include(GeneratorMessages.format_info(expected))