Added unit test for product-form.
Added unit test for products.
Added unit test for review-form.
Implemented scroll-to directive.
Added unit test for reviews directive. Did some light refactoring to make unit test easier to write.
Added unit test for review directive.
Added support for testing timeago on review directive.
Added unit test for scroll-to directive.
Added unit test for show-more directive.
Added unit test for alerts-manager service;