Routers initialization and basic templates updated
Updated the new and edit views
Updated the index and show views, minor fixesin new/edit views
Template for view_templates updated and added binder libraries

  Added Backbone.ModelBinder and Backbone.CollectionBinder to the vendor
  assets folder to be provided with the gem.
Changed the extensionof scaffolded templates to .hbs.haml
Required bootstrap in the manifest file for now, it should be included somewhere else though
Updated templates to use bootstrap's layouts
Renamed template names
created the sample_views collection inside the generator helper
Changed the name of line_item.hbs.haml to line_item_template.hbs.haml
Lame typo was make it all fail