rails update

Gemfile

 source 'https://rubygems.org'
 
 # Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
-gem 'rails', '~> 4'
+gem 'rails', '~> 4.1'
 
 # Use SCSS for stylesheets
 gem 'sass-rails'
@@ -17,9 +17,6 @@ gem 'jquery-rails'
 # See https://github.com/sstephenson/execjs#readme for more supported runtimes
 gem 'therubyracer', platforms: :ruby
 
-# Use jquery as the JavaScript library
-# gem 'jquery-rails'
-
 # Turbolinks makes following links in your web application faster. Read more: https://github.com/rails/turbolinks
 # gem 'turbolinks'
 
@@ -48,9 +45,6 @@ gem 'mysql2'
 
 gem 'devise'
 
-# http://d.hatena.ne.jp/tkawa/20130812/p1
-gem 'devise-better_routes'
-
 gem 'omniauth-google-oauth2'
 
 # Markdown