Tutorial/reference I used:
API reference: https://apigee.com/resources/zappos
RETROFIT: http://www.androidhive.info/2016/05/android-working-with-retrofit-http-library/
Data binding: https://mutualmobile.com/posts/using-data-binding-api-in-recyclerview
Libraries I used:
Retrofit + GSON converter plugin https://square.github.io/retrofit/
Picasso https://github.com/michaldrabik/TapBarMenu
Tab Bar Menu https://github.com/michaldrabik/TapBarMenu
