v0.2.0

• Implemented Home: category tree menu, suggested products.
• Implemented POP: facets, breadcrumb, display selector, sort selector, pagination, quickview with quick add to cart.
• Implemented PDP: attributes, prices, pictures, related products, add to cart.
• Implemented Cart: change quantity, delete line item, price info disaggregated.
• Implemented Checkout: shipping address, optional billing address, shipping methods, basic payment method, summary page, thank you page.
• Uses an external template: https://github.com/sphereio/sphere-sunrise-design.
• Uses Guice Dependency Injection to easily test and replace components.
• Powerful collection of classes to build facets easily.
• Class QueryAll to asynchronously fetch all possible documents of an endpoint.
• Enriched CategoryTreeExtended with additional convenient methods.
• Refreshable CategoryTree via an endpoint.