Added Controller Generator and tests to go along with it.

lib/generators/devise/controllers_generator.rb

@@ -0,0 +1,18 @@
+require 'tmpdir'
+
+module Devise
+  module Generators
+    class ControllersGenerator < Rails::Generators::Base
+      source_root File.expand_path("../../../../app/controllers", __FILE__)
+      desc "Copies all Devise controllers to your application."
+
+      argument :scope, :required => false, :default => nil,
+                       :desc => "The scope to copy controllers to"
+
+
+      def copy_controllers
+        directory "devise", "app/controllers/#{scope || :devise}"
+      end
+    end
+  end
+end