title: Ruby 1.9.2 and Rails 3 cannot open rails console
body: <pre><code>[gkaykck@main myApplication]$ rails console
  /usr/local/lib/ruby/1.9.1/irb/completion.rb:9:in `require': no such file to load -- readline (LoadError)
      from /usr/local/lib/ruby/1.9.1/irb/completion.rb:9:in `&lt;top (required)&gt;'
      from /usr/local/lib/ruby/gems/1.9.1/gems/railties-3.0.3/lib/rails/commands/console.rb:3:in `require'
      from /usr/local/lib/ruby/gems/1.9.1/gems/railties-3.0.3/lib/rails/commands/console.rb:3:in `&lt;top (required)&gt;'
      from /usr/local/lib/ruby/gems/1.9.1/gems/railties-3.0.3/lib/rails/commands.rb:20:in `require'
      from /usr/local/lib/ruby/gems/1.9.1/gems/railties-3.0.3/lib/rails/commands.rb:20:in `&lt;top (required)&gt;'
      from script/rails:6:in `require'
      from script/rails:6:in `&lt;main&gt;'
  </code></pre>
  
  <p>I have installed rails 3 on ruby 1.9.2p136, which is ok i guess. But i cannot start rails console and it gives me the error i copied. The apps worked great with ruby 1.8.7 and i never saw an error like this.</p>
  
  <p>Any ideas what it could be?</p>