$ cd /tmp
$ rails rugomatic
$ cd rugomatic
$ mate .
TM> config/database.yml
development:
  adapter: sqlite3
  database: db/development.sqlite3
$ rake db:sessions:create
$ cp -R ~/work/rugomatic/vendor/plugins/restful_authentication vendor/plugins/
$ cat vendor/plugins/restful_authentication/README
$ ./script/generate authenticated user sessions
$ ./script/generate scaffold_resource Site title:string logo_path:string
$ ./script/generate scaffold_resource Meeting site_id:integer title:string description:text location:text starts_at:datetime
$ ./script/generate scaffold_resource Presentation user_id:integer title:string description:text available_at:date meeting_id:integer
$ rake db:migrate
$ mate config/routes.rb
TM> map.connect '', :controller => 'sites'  # default route
    map.resources :users, :sessions
    map.resources :sites do |sites|
      sites.resources :meetings
      sites.resources :presentations
    end
    map.with_options(:controller => 'sessions') do |sessions|
      sessions.login 'login', :action => 'new'
      sessions.logout 'logout', :action => 'destroy'
    end

    REMOVE default route at end.
    
$ mate app/controllers/application.rb
TM> # Be sure to include AuthenticationSystem in Application Controller instead
    include AuthenticatedSystem
    # If you want "remember me" functionality, add this before_filter to Application Controller
    before_filter :login_from_cookie, :find_site
    # Pick a unique cookie name to distinguish our session data from others'
    session :session_key => '_rugomatic_session_id'
  
  private
  
    def find_site
      @site ||= Site.find(:first) || Site.create(:title => "NoVA RUG")
    end

$ ./script/server
Safari> demo the scaffolded app, then kill it and move to ~work/rugomatic for the real deal.

Note that you have to go back and fix many link_to items in the scaffold because they don't know about nested resources.