title: error when i try to load the rails console in 3.1
body: <p>I get the following error when i try to load the rails console in 3.1. why do i get this? am i doing something wrong?</p>
  
  <pre><code>/home/brettlee/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/irb/completion.rb:9:in `require': no such file to load -- readline (LoadError)
  from /home/brettlee/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/irb/completion.rb:9:in `&lt;top (required)&gt;'
  from /home/brettlee/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.1.0/lib/rails/commands/console.rb:3:in `require'
  from /home/brettlee/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.1.0/lib/rails/commands/console.rb:3:in `&lt;top (required)&gt;'
  from /home/brettlee/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.1.0/lib/rails/commands.rb:37:in `require'
  from /home/brettlee/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.1.0/lib/rails/commands.rb:37:in `&lt;top (required)&gt;'
  from script/rails:6:in `require'
  from script/rails:6:in `&lt;main&gt;'
  </code></pre>