rails-ng-breadcrumbs 
rails-ng-breadcrumbs wraps the ngBreadcrumbs module for use in Rails 3.1 and above.
Usage
Add the following to your Gemfile:
gem 'rails-ng-breadcrumbs'
Add the following to your Rails JavaScript manifest file:
//= require ng-breadcrumbs
If you desire to require minified version, add the following:
//= require ng-breadcrumbs.min
Versioning
Current version of ngBreadcrumbs - 0.4.1