awesome_print as default for Rails console

awesome_print_as_default_for_rails_console.rb

## Gemfile
group :development do
  gem "awesome_print", :require => "ap"
end

## ~/.irbrc
require "rubygems"
require "ap"

unless IRB.version.include?('DietRB')
  IRB::Irb.class_eval do
    def output_value
      ap @context.last_value
    end
  end
else # MacRuby
  IRB.formatter = Class.new(IRB::Formatter) do
    def inspect_object(object)
      object.ai
    end
  end.new
end