Description:
    Installs Mist into your Rails application.
    
Next Steps:
    After running this generator, edit config/initializers/mist.rb
    and hook up your authentication so that you can control who is
    or isn't allowed to change posts.
    
    Mist extracts its views and assets into your app/ directory.
    You should personalize the look and feel of the blog by editing
    those views.