Merge pull request #9912 from rwz/jbuilder-bump

Relaxed jbuilder dependency and bumped version number

guides/code/getting_started/Gemfile

@@ -23,7 +23,7 @@ gem 'jquery-rails'
 gem 'turbolinks'
 
 # Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder
-gem 'jbuilder', '~> 1.0.1'
+gem 'jbuilder', '~> 1.2'
 
 # To use ActiveModel has_secure_password
 # gem 'bcrypt-ruby', '~> 3.0.0'