setup rails3 with generators

- rvm
- rvm install 1.9.2-head
- rmv create gemset 1.9.2-head@r3
- rmv use above
- gem install rails3b
- gem install rails --pre
- gem install sqlite3
- gem install haml
- gem install rspec --pre
- gem install rspec-rails --pre
- generate rails app
  >rails your_app
- >cd your_app
- add in config/appication.rb
    config.generators do |g|
      g.orm             :active_record
      g.template_engine :haml
      g.test_framework  :rspec, :fixture => true, :views => false
    end
- >haml --rails .
- rails g rspec:install
- install haml generators
  >git clone git://github.com/psynix/rails3_haml_scaffold_generator.git lib/generators/haml
- install other generators
  >git clone git://github.com/indirect/rails3-generators.git lib/generators
- >bundle install
- rails g scaffold TestModel title:string

NOTE: Should call "bundle exec 'rake or so'" instead 'rake of so' only