Rails 3.2.11へのアップデート方法メモ（緊急）

	$ ruby -v
	ruby 1.9.3p194 (2012-04-20 revision 35410) [x86_64-darwin12.2.0]
	$ gem -v
	1.8.23
	$ rails -v
	Rails 3.2.8
	$ gem update --system
	$ gem -v
	1.8.24
	$ gem update rails
	$ rbenv rehash
	$ gem uninstall rails
	Select gem to uninstall:
	1. rails-3.2.8
	2. rails-3.2.11
	3. All versions
	> 1
	Successfully uninstalled rails-3.2.1
	$ rm Gemfile.lock
	$ vim Gemfile
	gem 'rake', '0.9.2.2'
	gem 'rails', '3.2.11'
	# 以下はある人だけ
	gem 'twitter-bootstrap-rails','2.1.5'
	gem 'capistrano','2.13.4'
	$ bundle install
	$ rails -v
	Rails 3.2.11

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