Change location of JavaScripts. Maintenance for introduction of Ruby on Rails.

Add
  favicon.ico to avoid loading errors

Remove
  /css/style.css because it wasn't in use yet
Change Handlebars.js version to working version.
Generate Rails application.

Modify
  existing files to fit rails structure.

Delete
  some unnecessary Rails files and gems.
  public/index.html
  jquery-rails gem

Create
  Site controller and index action.
  site#index route.
  JavaScript requirement files.