title: "rails generate rspec:install" seems to be failing
body: <p>running: ruby 1.9.3p0 with Rails 3.2.1</p>
  
  <p>Trying to use rspec but when I try to install it into my app I get the following error:</p>
  
  <pre><code>/Users/Si/.rvm/gems/ruby-1.9.3-p0/gems/railties-3.2.1/lib/rails/railtie/configuration.rb:85:in `method_missing': undefined method `generators' for #&lt;Rails::Railtie::Configuration:0x00000101b2f1b8&gt; (NoMethodError)
  from /Users/Si/.rvm/gems/ruby-1.9.3-p0/gems/rspec-rails-2.0.0.beta.18/lib/rspec-rails.rb:4:in `&lt;class:Railtie&gt;'
  from /Users/Si/.rvm/gems/ruby-1.9.3-p0/gems/rspec-rails-2.0.0.beta.18/lib/rspec-rails.rb:3:in `&lt;module:Rails&gt;'
  from /Users/Si/.rvm/gems/ruby-1.9.3-p0/gems/rspec-rails-2.0.0.beta.18/lib/rspec-rails.rb:2:in `&lt;module:RSpec&gt;'
  from /Users/Si/.rvm/gems/ruby-1.9.3-p0/gems/rspec-rails-2.0.0.beta.18/lib/rspec-rails.rb:1:in `&lt;top (required)&gt;'
  from /Users/Si/.rvm/gems/ruby-1.9.3-p0@global/gems/bundler-1.0.22/lib/bundler/runtime.rb:68:in `require'
  from /Users/Si/.rvm/gems/ruby-1.9.3-p0@global/gems/bundler-1.0.22/lib/bundler/runtime.rb:68:in `block (2 levels) in require'
  from /Users/Si/.rvm/gems/ruby-1.9.3-p0@global/gems/bundler-1.0.22/lib/bundler/runtime.rb:66:in `each'
  from /Users/Si/.rvm/gems/ruby-1.9.3-p0@global/gems/bundler-1.0.22/lib/bundler/runtime.rb:66:in `block in require'
  from /Users/Si/.rvm/gems/ruby-1.9.3-p0@global/gems/bundler-1.0.22/lib/bundler/runtime.rb:55:in `each'
  from /Users/Si/.rvm/gems/ruby-1.9.3-p0@global/gems/bundler-1.0.22/lib/bundler/runtime.rb:55:in `require'
  from /Users/Si/.rvm/gems/ruby-1.9.3-p0@global/gems/bundler-1.0.22/lib/bundler.rb:122:in `require'
  from /Users/Si/dropbox/sh_rails_projects/test_app/config/application.rb:13:in `&lt;top (required)&gt;'
  from /Users/Si/.rvm/gems/ruby-1.9.3-p0/gems/railties-3.2.1/lib/rails/commands.rb:24:in `require'
  from /Users/Si/.rvm/gems/ruby-1.9.3-p0/gems/railties-3.2.1/lib/rails/commands.rb:24:in `&lt;top (required)&gt;'
  from script/rails:6:in `require'
  from script/rails:6:in `&lt;main&gt;'
  </code></pre>
  
  <p>I'm very new to rails and ruby so this means almost nothing to me, could anyone explain.</p>
  
  <p>Thanks</p>