Skeleton Breadcrumbs reader
Rename CategoryNavigationReader for wider usage
Mind blowing breadcrumb reader
Return categories as a tree structure
Add breadcrumbs reader
Use category tree
Replace primary_navigation_spec by category_navigation_decorator_spec
Use VCR for HTML validation features
Use fixtures for article acceptance tests
Add acceptance tests for article breadcrumbs
Add acceptance test for category breadcrumbs
Simplify BreadcrumbDecorator
Change equality comparation by one? method
Merge branch 'breadcrumbs-performance'